Merge pull request #4 from jthurst3/master

Early June pull request
Merge pull request #5 from jthurst3/master

Docstrings pull request
moved SimpleLambdaParser->Parsing, added unlist_singleton to Miscellaneous
moved list2FunctionNode to Parsing.py
fixed some imports
Removed simpleLambda2FunctionNode
updates for CL
added CombinatoryLogic example
fixed MAPSymbolicRegression
small tweaks
cleaning up Miscellaneous
small tweaks
removed mpich-hosts
removed some unlikely testing scripts
version update