diff --git a/lib/index.js b/lib/index.js
index 74650a7..70cf452 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -563,7 +563,7 @@ class GitStats {
             const maxAuthors = 2 * options.radius;
             if (err) { return callback(err); }
             if (authors.length > maxAuthors) {
-                var others = {
+                let others = {
                     value: authors.slice(maxAuthors).reduce(function (a, b) {
                         return a + b.value;
                     }, 0)
@@ -677,614 +677,4 @@ GitStats.DEFAULT_CONFIG = {
   , global_activity: false
 };
 
-/**
- * getConfig
- * Fetches the configuration object from file (`~/.git-stats-config.js`).
- *
- * @name getConfig
- * @function
- * @param {Function} callback The callback function.
- * @return {Object|Undefined} If no callback is provided, the configuration object will be returned.
- */
-GitStats.prototype.getConfig = function (callback) {
-    var data = {}
-      , err = null
-      ;
-
-    try {
-        data = require(CONFIG_PATH);
-    } catch (err) {
-        if (err.code === "MODULE_NOT_FOUND") {
-            err = null;
-            data = {};
-        }
-    }
-
-    if (callback) {
-        return callback(err, data);
-    } else {
-        if (err) {
-            throw err;
-        }
-    }
-
-    return data;
-};
-
-/**
- * initConfig
- * Inits the configuration field (`this.config`).
- *
- * @name initConfig
- * @function
- * @param {Object|String} input The path to a custom git-stats configuration file or the configuration object.
- * @param {Function} callback The callback function.
- */
-GitStats.prototype.initConfig = function (input, callback) {
-
-    var self = this;
-
-    if (Typpy(input, Function)) {
-        callback = input;
-        input = null;
-    }
-
-    input = input || CONFIG_PATH;
-
-    // Handle object input
-    if (Typpy(input, Object)) {
-        this.config = Ul.deepMerge(input, GitStats.DEFAULT_CONFIG);
-        callback && callback(null, this.config);
-        return this.config;
-    }
-
-    if (callback) {
-        this.getConfig(function (err, data) {
-            if (err) { return callback(err); }
-            self.initConfig(data, callback);
-        });
-    } else {
-        this.initConfig(this.getConfig());
-    }
-};
-
-/**
- * record
- * Records a new commit.
- *
- * @name record
- * @function
- * @param {Object} data The commit data containing:
- *
- *  - `date` (String|Date): The date object or a string in a format that can be parsed.
- *  - `url` (String): The repository remote url.
- *  - `hash` (String): The commit hash.
- *  - `_data` (Object): If this field is provided, it should be the content of the git-stats data file as object. It will be modified in-memory and then returned.
- *  - `save` (Boolean): If `false`, the result will *not* be saved in the file.
- *
- * @param {Function} callback The callback function.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.record = function (data, callback) {
-
-    var self = this;
-
-    // Validate data
-    callback = callback || function (err) { if (err) throw err; };
-    data = Object(data);
-
-    if (typeof data.date === "string") {
-        data.date = new Moment(new Date(data.date));
-    }
-
-    if (!/^moment|date$/.test(Typpy(data.date))) {
-        callback(new Error("The date field should be a string or a date object."));
-        return GitStats;
-    } else if (Typpy(data.date, Date)) {
-        data.date = Moment(data.date);
-    }
-
-    if (typeof data.hash !== "string" || !data.hash) {
-        callback(new Error("Invalid hash."));
-        return GitStats;
-    }
-
-    // This is not used, but remains here just in case we need
-    // it in the future
-    if (typeof data.url !== "string" || !data.url) {
-        delete data.url;
-    }
-
-    function modify (err, stats) {
-
-        var commits = stats.commits
-          , day = data.date.format(DATE_FORMAT)
-          , today = commits[day] = Object(commits[day])
-          ;
-
-        today[data.hash] = 1;
-
-        if (data.save === false) {
-            callback(null, stats);
-        } else {
-            self.save(stats, callback);
-        }
-
-        return stats;
-    }
-
-    // Check if we have input data
-    if (data._data) {
-        return modify(null, data._data);
-    } else {
-        // Get stats
-        self.get(modify);
-    }
-
-    return self;
-};
-
-/**
- * removeCommit
- * Deletes a specifc commit from the history.
- *
- * @name record
- * @function
- * @param {Object} data The commit data containing:
- *
- *  - `date` (String|Date): The date object or a string in a format that can be parsed. If not provided, the hash object will be searched in all dates.
- *  - `hash` (String): The commit hash.
- *  - `_data` (Object): If this field is provided, it should be the content of the git-stats data file as object. It will be modified in-memory and then returned.
- *  - `save` (Boolean): If `false`, the result will *not* be saved in the file.
- *
- * @param {Function} callback The callback function.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.removeCommit = function (data, callback) {
-
-    var self = this;
-
-    // Validate data
-    callback = callback || function (err) { if (err) throw err; };
-    data = Object(data);
-
-    if (typeof data.date === "string") {
-        data.date = new Moment(new Date(data.date));
-    }
-
-    if (!/^moment|date$/.test(Typpy(data.date))) {
-        data.date = null;
-    } else if (Typpy(data.date, Date)) {
-        data.date = Moment(data.date);
-    }
-
-    if (typeof data.hash !== "string" || !data.hash) {
-        callback(new Error("Invalid hash."));
-        return GitStats;
-    }
-
-    function modify (err, stats) {
-
-        if (err) { return callback(err); }
-        if (!data.date) {
-            IterateObject(stats.commits, function (todayObj) {
-                delete todayObj[data.hash];
-            });
-        } else {
-            var commits = stats.commits
-              , day = data.date.format(DATE_FORMAT)
-              , today = commits[day] = Object(commits[day])
-              ;
-
-            delete today[data.hash];
-        }
-
-        if (data.save === false) {
-            callback(null, stats);
-        } else {
-            self.save(stats, callback);
-        }
-
-        return stats;
-    }
-
-    // Check if we have input data
-    if (data._data) {
-        return modify(null, data._data);
-    } else {
-        // Get stats
-        self.get(modify);
-    }
-
-    return self;
-};
-
-/**
- * get
- * Gets the git stats.
- *
- * @name get
- * @function
- * @param {Function} callback The callback function.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.get = function (callback) {
-    var self = this;
-    ReadJson(self.path, function (err, data) {
-
-        if (err && err.code === "ENOENT") {
-           return self.save(DEFAULT_DATA, function (err) {
-               callback(err, DEFAULT_DATA);
-           });
-        }
-
-        if (err) { return callback(err); }
-        callback(null, data);
-    });
-    return self;
-};
-
-/**
- * save
- * Saves the provided stats.
- *
- * @name save
- * @function
- * @param {Object} stats The stats to be saved.
- * @param {Function} callback The callback function.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.save = function (stats, callback) {
-    WriteJson(this.path, stats, callback);
-    return this;
-};
-
-/**
- * iterateDays
- * Iterate through the days, calling the callback function on each day.
- *
- * @name iterateDays
- * @function
- * @param {Object} data An object containing the following fields:
- *
- *  - `start` (Moment): A `Moment` date object representing the start date (default: *an year ago*).
- *  - `end` (Moment): A `Moment` date object representing the end date (default: *now*).
- *  - `format` (String): The format of the date (default: `"MMM D, YYYY"`).
- *
- * @param {Function} callback The callback function called with the current day formatted (type: string) and the `Moment` date object.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.iterateDays = function (data, callback) {
-
-    if (typeof data === "function") {
-        callback = data;
-        data = undefined;
-    }
-
-    // Merge the defaults
-    data.end = data.end || Moment();
-    data.start = data.start || Moment().subtract(1, "years");
-    data.format = data.format || DATE_FORMAT;
-
-    var start = new Moment(data.start.format(DATE_FORMAT), DATE_FORMAT)
-      , end = new Moment(data.end.format(DATE_FORMAT), DATE_FORMAT)
-      , tomrrow = Moment(end.format(DATE_FORMAT), DATE_FORMAT).add(1, "days")
-      , endStr = tomrrow.format(DATE_FORMAT)
-      , cDay = null
-      ;
-
-    while (start.format(DATE_FORMAT) !== endStr) {
-        cDay = start.format(data.format);
-        callback(cDay, start);
-        start.add(1, "days");
-    }
-
-    return this;
-};
-
-/**
- * graph
- * Creates an object with the stats on the provided period (default: *last year*).
- *
- * @name graph
- * @function
- * @param {Object} data The object passed to the `iterateDays` method.
- * @param {Function} callback The callback function.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.graph = function (data, callback) {
-
-    if (typeof data === "function") {
-        callback = data;
-        data = undefined;
-    }
-
-    var self = this;
-
-    // Get commits
-    self.get(function (err, stats) {
-        if (err) { return callback(err); }
-
-        var cDayObj = null
-          , year = {}
-          ;
-
-        // Iterate days
-        self.iterateDays(data, function (cDay) {
-            cDayObj = Object(stats.commits[cDay]);
-            cDayObj = year[cDay] = {
-                _: cDayObj
-              , c: Object.keys(cDayObj).length
-            };
-        });
-
-        callback(null, year);
-    });
-
-    return self;
-};
-
-/**
- * calendar
- * Creates the calendar data for the provided period (default: *last year*).
- *
- * @name calendar
- * @function
- * @param {Object} data The object passed to the `graph` method.
- * @param {Function} callback The callback function.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.calendar = function (data, callback) {
-
-    var self = this;
-
-    self.graph(data, function (err, graph) {
-        if (err) { return callback(err); }
-
-        var cal = { total: 0, days: {}, cStreak: 0, lStreak: 0, max: 0 }
-          , cDay = null
-          , days = Object.keys(graph)
-          , levels = null
-          , cLevel = 0
-          ;
-
-        days.forEach(function (c) {
-            cDay = graph[c];
-            cal.total += cDay.c;
-            if (cDay.c > cal.max) {
-                cal.max = cDay.c;
-            }
-
-            if (cDay.c > 0) {
-                if (++cal.cStreak > cal.lStreak) {
-                    cal.lStreak = cal.cStreak;
-                }
-            } else {
-                cal.cStreak = 0;
-            }
-        });
-
-        levels = cal.max / (LEVELS.length * 2);
-        days.forEach(function (c) {
-            cDay = graph[c];
-            cal.days[c] = {
-                c: cDay.c
-              , level: !levels
-              ? 0 : (cLevel = Math.round(cDay.c / levels)) >= 4
-              ? 4 : !cLevel && cDay.c > 0 ? 1 : cLevel
-            };
-        });
-
-        callback(null, cal);
-    });
-    return self;
-};
-
-/**
- * ansiCalendar
- * Creates the ANSI contributions calendar.
- *
- * @name ansiCalendar
- * @function
- * @param {Object} options The object passed to the `calendar` method.
- * @param {Function} callback The callback function.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.ansiCalendar = function (options, callback) {
-
-    if (typeof options === "function") {
-        callback = options;
-        options = undefined;
-    }
-
-    var self = this;
-
-    self.graph(options, function (err, graph) {
-        var cal = []
-          , data = {
-                theme: options.theme
-              , start: options.start
-              , end: options.end
-              , firstDay: options.firstDay
-              , cal: cal
-              , raw: options.raw
-            }
-          ;
-
-        self.iterateDays(options, function (cDay) {
-            var cDayObj = graph[cDay];
-            if (!cDayObj) { return; }
-            cal.push([cDay, cDayObj.c]);
-        });
-
-        callback(null, CliGhCal(cal, data));
-    });
-
-    return self;
-};
-
-/**
- * authors
- * Creates an array with the authors of a git repository.
- *
- * @name authors
- * @function
- * @param {String|Object} options The repo path or an object containing the following fields:
- *
- *  - `repo` (String): The repository path.
- *  - `start` (String): The start date.
- *  - `end` (String): The end date.
- *
- * @param {Function} callback The callback function.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.authors = function (options, callback) {
-    var repo = new Gry(options.repo);
-    repo.exec(['shortlog', '-s', '-n', '--all', '--since', options.start.toString(), '--until', options.end.toString()], function (err, stdout) {
-        if (err) { return callback(err); }
-        var lines = stdout.split("\n");
-        var pieData = stdout.split("\n").map(function (c) {
-            var splits = c.split("\t").map(function (cc) {
-                return cc.trim();
-            });
-            return {
-                value: parseInt(splits[0])
-              , label: splits[1]
-            };
-        });
-        callback(null, pieData);
-    });
-    return this;
-};
-
-/**
- * authorsPie
- * Creates the authors pie.
- *
- * @name authorsPie
- * @function
- * @param {String|Object} options The repo path or an object containing the following fields:
- *
- *  - `repo` (String): The repository path.
- *  - `radius` (Number): The pie radius.
- *  - `no_ansi` (Boolean): If `true`, the pie will not contain ansi characters.
- *  - `raw` (Boolean): If `true`, the raw JSON will be displayed.
- *
- * @param {Function} callback The callback function.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.authorsPie = function (options, callback) {
-
-    if (typeof options === "string") {
-        options = {
-            repo: options
-        };
-    }
-
-    options = Ul.merge(options, {
-        radius: process.stdout.rows / 2 || 20
-    });
-
-    if (!IsThere(options.repo)) {
-        return callback(new Error("The repository folder doesn't exist."));
-    }
-
-    var self = this
-      , repo = new Gry(options.repo)
-      , pie = null
-      , pieData = []
-      ;
-
-    self.authors(options, function (err, authors) {
-        const maxAuthors = 2 * options.radius;
-        if (err) { return callback(err); }
-        if (authors.length > maxAuthors) {
-            var others = {
-                value: authors.slice(maxAuthors).reduce(function (a, b) {
-                    return a + b.value;
-                }, 0)
-              , label: "Others"
-            };
-            authors = authors.slice(0, maxAuthors);
-            authors.push(others);
-        }
-
-        var data = {
-            legend: true
-          , flat: true
-          , no_ansi: options.no_ansi
-          , authors: authors
-        };
-
-        callback(null, options.raw ? data : new CliPie(options.radius, authors, data).toString());
-    });
-
-    return self;
-};
-
-/**
- * globalActivity
- * Creates the global contributions calendar (all commits made by all committers).
- *
- * @name globalActivity
- * @function
- * @param {String|Object} options The repo path or an object containing the following fields:
- *
- *  - `repo` (String): The repository path.
- *  - `start` (String): The start date.
- *  - `end` (String): The end date.
- *  - `theme` (String|Object): The calendar theme.
- *  - `raw` (Boolean): If `true`, the raw JSON will be displayed.
- *
- * @param {Function} callback The callback function.
- * @return {GitStats} The `GitStats` instance.
- */
-GitStats.prototype.globalActivity = function (options, callback) {
-
-    if (typeof options === "string") {
-        options = {
-            repo: options
-        };
-    }
-
-    options.repo = Abs(options.repo);
-
-    if (!IsThere(options.repo)) {
-        return callback(new Error("The repository folder doesn't exist."));
-    }
-
-    var commits = {}
-      , today = null
-      , cal = []
-      ;
-
-    var logArgs = ["log","--since", options.start.format(DATE_FORMAT), "--until", options.end.format(DATE_FORMAT)]
-    if(options.author){
-        logArgs = logArgs.concat(["--author", options.author])
-    }
-
-    GitLogParser(Spawn("git",logArgs , { cwd: options.repo }).stdout).on("commit", function(commit) {
-        if (!commit) { return; }
-        today = Moment(commit.date).format(DATE_FORMAT);
-        commits[today] = commits[today] || 0;
-        ++commits[today];
-    }).on("error", function (err) {
-        callback(err);
-    }).on("finish", function () {
-        Object.keys(commits).forEach(function (c) {
-            cal.push([c, commits[c]])
-        });
-        var data = {
-            theme: options.theme
-          , start: options.start
-          , end: options.end
-          , cal: cal
-          , raw: options.raw
-        };
-        callback(null, CliGhCal(cal, data));
-    });
-
-    return this;
-};
-
 module.exports = GitStats;