Preliminary work on Pretty printing
Adjust builtin type names, add pretty printing logic
Fix tests and add tests for pretty printer
De-horrible-ify, fix, and add test
Add isMain / isOperator flags to AST nodes, clean up pretty printer
Print newline after `error` in lexer
Address Kha's comments, fix parser tests
Removed obsolete comments, added a prettyprinter test
Fix indentation
Refactor Compiler/CLIMain, re-enabling error msg on missing parameter
Address Kha's comments
Merge pull request #87 from TehMillhouse/prettyprint

Pretty Printer