abf343c - play nice with coverage testing
1ef0148 - Added while to the VM, and bool objects.
d316425 - Interpreter, including a new string object for the print statement.
438e001 - Added a new print statement.
247a9d2 - introduce caching of constant floats
8181d1a - Support for while in the compiler.
3e4544d - Added support for compiling if.
519911a - Initial bytecode compiler.
78422a4 - Parser finished.