not fixed tree saving bug!
gitignore
"used but not inited" fixed
Major architecture changes:
	new file:   Makefile
	new file:   TODO
	renamed:    bitMask.h -> bitMask.c
	modified:   bitMask.h
	new file:   btree.c
	modified:   btree.h
	modified:   huffman.c
	new file:   stack.c
	modified:   stack.h
Changes:
	modified:   huffman.c - minor changes
Changes:
	modified:   Makefile
	new file:   decoder.c
	new file:   decoder.h
	new file:   encoder.c
	new file:   encoder.h
	modified:   huffman.c
	modified:   types.h
Changes:
	modified:   decoder.c
	modified:   huffman.c
Changes:
	deleted:    TODO
	modified:   bitMask.c
	modified:   bitMask.h
	modified:   btree.c
	modified:   decoder.c
	modified:   decoder.h
	modified:   encoder.c
	modified:   encoder.h
	modified:   huffman.c
	modified:   types.h
Refactored code. Release.
Merge pull request #1 from dmamylin/alpha_0.9

Release