Removed commented code.
Merge branch 'master' of github.com:jbdeboer/bridge
Merged from deboer.
Merge branch 'master' of github.com:jbdeboer/bridge
Add variables to scope in block.  Added test for duplication definition check.
variable assignment.
break, continue and return statements.
Check that break and continue don't have a label associated with them.
If statements.
If/else statements.
Merge branch 'master' of github.com:jbdeboer/bridge
Merged from deboer.
Parse if-blocks in the block visitor.
Handle assert statements.
start at getting the cmd line running