Performance fixes

- New argument parser
- Starts in no-ide mode by default
- SCAR compressor now ignores hidden files (such as thumbs.db and
.DS_Store)
- Sleeps have been introduced into the compressor so that the user can
keep up with the progress window
- SCAR compilation fixed on Mac OS X and Linux
- SCAR decompressor fixed
- Removed native loaders and added a single method to complete the
download task
- Changed the native loaders so that it downloads the file into a byte
array then feeds it into the zip stream.