A parser for expressions and a simplifier that can handle dummy variables.
Merge branch 'develop' of github.com:edechter/strappy into develop
Changed directories in circuitDepths.py to now correct paths.
Removed old and unused/irrelevant testing files.
Cleaned up Expr.hs with hlint. Also, simplified Kevin's hack for forcing the evaluation of an expression using deepseq to force the evaluation of the string instead of packing the string length into an unboxed array.
Merge branch 'develop' of github.com:edechter/strappy into develop