Merge tag '0.2.2' into develop

v0.2.2

* #5 fixed handling mutable method.
remove clone node
remove clone dependency.
fix ∞ loop  on exception replace.
Merge pull request #7 from azu/feature/upup_peformance

performance issue
Merge remote-tracking branch 'origin/develop' into develop
update 0.2.3
Merge branch 'release/0.2.3'