Merge pull request #3 from bamboo/master

nested errors
0.0.9
WIP: moved tag regognition before expand phase (still broken) and wrote an AST pretty printer (also broken).
Fixed AST printer.
Fixed tag handling.
Fixed AST printer.
0.0.10
Updated README.
Merge pull request #4 from bamboo/master

introduce jsAstFor so MightTable can generate code for specific nodes
Fixed token column information.
0.0.11