No need to specify empty bin list anymore(example)
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'remotes/mruby/master'
Add the name 'Jun Hiroe' in AUTHORS.
Refactor mrb_range_beg_len() func in range.c
Fix indents in object.c.
[doc]Introduce ./minirake -v
[doc]Introduce ./minirake --pull_gems
Merge remote-tracking branch 'upstream/master'
khash optimize
Merge pull request #1342 from suzukaze/add-name-in-AUTHORS

Add the name 'Jun Hiroe' in AUTHORS.
Merge pull request #1343 from suzukaze/refactor-range-c

Refactor mrb_range_beg_len() func in range.c
Merge pull request #1344 from suzukaze/fix-indent-in-object.c

Fix indents in object.c.
Merge pull request #1346 from kyab/doc_update_gem_pull

[doc]Introduce ./minirake --pull_gems
Merge pull request #1345 from kyab/doc_update_verbose

[doc]Introduce ./minirake -v
Merge pull request #1347 from mirichi/khash

khash.h optimize