enrich stash API
fixed #150
remove todo flag from the test for #150
fixed #151
move a test under t/run to t/optimize
staticize methods even if tagged as __export__
add a test
fix the order of cloning items in method
[bugfix] the bug of t/optimize/047
fix a test
re-enable staticize command in --release mode
add missing EXPECTED section to t/optimize/047
bugfix for t/optimize/047
clone caught variables when cloning funcdef
cleanup
add a test
Merge remote-tracking branch 'origin/master'

Conflicts:
	t/optimize/047.staticize-super-in-staticizable.jsx
fix a bug in the test added in prev commit
simplify t/optimize/048
bugfix for t/optimize/048