Add WhitespaceAssembler function library

Adds functions files for support of
-  advanced arithmetic operations
-  arrays
-  bitwise operations
-  loops
-  random number generation (tt800)
-  strings
Add WhitespaceAssembler examples

Adds a simple recursion example and an interactive session
for the elGamal encryption scheme.
Clean up readme file

Cleaning up the README.MD by adhering to proper
markdown syntax.