various changes from laptop repo
fixed merge in pssm
fixed merge
added min,max given score, next best word functions
merged from dev branch
Merge branch 'develop'
fixed broken import statement
removed duplicate code
experimental fast_PSSM class
removed trailing whitespace
optimized wc function by inlining
major changes to PSSM.py: optimized trap, scoring functions, inverted beta
ignore build
init commit for setup.py