connect 2.1

add some notations to some functions
change easytodebug to ReadDNA, and prepare for reading regulation
delete STOP amino acid in 31st. DNA sequence for debug
calculate
Merge pull request #14 from liaoxyn/master

calculate
add PSOPredict

add all files which needed in code
add PSOPredict class to predict regulation of new gene
Merge pull request #4 from ustckun/master

8-8