Added file bitwise comparison to TestCoder, added Predictor.
Added makefile.
Merge remote-tracking branch 'origin/master'

Conflicts:
	t3/Makefile
Implement Histogram class
Add .gitignore files
Added SFReader, updated TestCoder to use it.
Added SFWriter, updated TestCoder to use it.
Merge remote-tracking branch 'origin/master'

Conflicts:
	t3/Makefile
Add testfile to .gitignore
Fix TestCoder arguments check