Add istype opcode and support for is checks
Added a .gitignore, following advice at http://www.dartlang.org/tools/private-files.html
Merge pull request #5 from melonhead901/master

Add a .gitignore
Indicate that stdio.dart is not Start code
Fix initialization of tokenizer (_position = 0)

(so we can call compile twice...)
Don't ignore all of bin, just all instances of 'packages'
Fix .gitignore
Remove bin/ completely.
Merge pull request #6 from bholt/master

Fix initialization of tokenizer
Fixes for Dart M4
Fix for new library name (typed_data)
Add counters
Nop has cost zero
Add Instruction system call
Moved some files to lib
Don't execute lines that start with '#'
Add renumbering utility
Initialize Type maps/counters before each execution.
Merge pull request #8 from bholt/master

Initialize Type statics.
Allow counters to have string args, when the key starts with $, else treat as before