Merge pull request #15 from XxShenglixX/master

Change LZ78_Compressor, added code for renameCompressedFile
Added few more test for Decompression.c and comment the functions in Decompression.c
Completed the function LZ78_Decompression_Variable, README file was tested and able to compress and decompress correctly, binary file still failed
Remove strlen,strcpy,strcmp,strcat and replace with memcpy,memcmp
addEntryData take in parameter of int size now