Test data for get comments above line
Split tests & added testing for strip_comment_markers()
Added tests for strip_comment_markers()
Stabilized (and perfected ;-) ) the strip_comment_markers() method

Added set_extensions() method
Added filter for filelist in case this class is used within WP
Synchronized results for no comments found in get_comment_above_line() with get_nearest_function_docblock() to null