Adds tonumbervalue for NaN returns. Fixes #298
Merge pull request #323 from tessel/tcr-298

Adds tonumbervalue for NaN returns. Fixes #298
Adds colony-compiler link to runtime rather than separate install.
Merge pull request #324 from tessel/tcr-compilerlink

Adds colony-compiler link to runtime rather than separate install.
Updates colony-lua modulus semantics, buffer indexing wrapping. Fixes #306