Restructured directory slightly. Added .gitignore and set it to ignore emacs temp files.
Removed unnecessary examples from main directory
Added a SinterpCore to house the current usage and created a desugar function in Sinterp that will be used to add features.
Added a SinterpCore to house the current usage and created a desugar function in Sinterp that will be used to add features.
Added object files and binary to ignored files.
Added operator precedence in the parser.
Minor cleanup.
Fixed a bug in which lists were being lazily evaluated.