change: remove JS style "indexOf() != -1" checks
add: benchmarks of transform operations in tests
change: use transformer names for benchmark log outputs
Merge branch 'master' of github.com:lvivski/gloss
add: AST viewer tool
change: add option to perform rewrite on AST
Merge pull request #2 from martyglaubitz/master

add: AST viewer tool, benchmarks of unittests change: some little style refactorings