+ Extended NSMutableData class with prepend: function. + Added switch for forwards/backwards search to user interface. + Added project description to main file. + Added comments, removed debugging commands. + Added doxymentation script. + Added further tests to test target.
+ Moved NSData extensions to separate class.
+ Added backwards search to FileReader (still experimental). + Added backwards search to NSData (approved). + Added NSDataExtensions target for testing. + Added stepper to user interface to control number of lines. + Bugfix: DirectoryReader handles empty path now.