Made terminal.output_progress(...) aware of the terminal width.

Instead of clearing the row using the "\b" character on each
iteration, the function now passes a carriage return ("\r") instead.
Furthermore, the row is now always completely cleared before
printing the progress.

gitinspector/terminal.py

@@ -148,6 +148,11 @@ def rjust(string, pad):
 
 def output_progress(text, pos, length):
 	if sys.stdout.isatty():
-		clear_row()
-		print(text.format(100 * pos / length), end="")
+		(width, _unused) = get_size()
+		progress_text = text.format(100 * pos / length)
+
+		if len(progress_text) > width:
+			progress_text = "...%s" % progress_text[-width+3:]
+
+		print("\r{0}\r{1}".format(" " * width, progress_text), end="")
 		sys.stdout.flush()