Remove space.
Fix typos in gc
Fix indent.
Remove space.
Fix mgem test args passing
Add comments in String#lstrip, rstrip, strip, lstring_bang, rstrip_bang and strip_bang
add 'String#%'.
Special treatment for Hashes, not Arrays; ref #2349
Merge branch 'master' of github.com:mruby/mruby
Merge branch 'iij-pr-string-percent'