Added GPLv2
Working through Andrew Brown's PyPY tutorial https://bitbucket.org/brownan/pypy-tutorial/ - initial commit is a simple stack-based interpreter for a calculator language. Can perform simple arithmetic operations, print and assignment.
First CSP bytecode example can add 1 and 1 and print the result. Need a test harness around this based on a unit testing framework such as nose
Fixed bug in STORE, caught be tests/example1.cspc
Simple example to show store / load of global variables. Caught simple bug in STORE.
Adding default README from github. TODO: Turn this into a useful bit of documentation
Added / merged GPLv2