Builtin support for function in HMscript, user defined to come.
Coding of block execution, which allows a better control of HMScript execution has begun
These advantages include:
    *The ability to stop anywhere during the execution, not just at the top-level block
    *The ability to include exit breaks inside of blocks such as return, break or continue
which be indespensible to implement user defined functions
Merge branch 'master' of https://github.com/HexaMonkey/hexamonkey