Updated development deps.

Fixed Mocha command after update (see jashkenas/coffeescript#3349).
Added tests for skip & break.
Small test cleanup (using object destructuring assignment).
Fixed controller test (didn't use local instance with collected logs at all).
Added tests for `estraverse.replace`.
Fixed node removal according to found bugs.
Small simplification.
Merge pull request #33 from RReverser/master

Added more tests and fixed node removal