Reword mention of mrbtest in README
should be able to create hash with 127+ entries; close #1894
add Hash#each_pair
Merge branch 'master' of github.com:mruby/mruby
Merge pull request #1899 from stomar/about

Reword mention of mrbtest in README
use File#directory? instead of File#exist?; ref c2d8b0
Merge branch 'master' of github.com:mruby/mruby
reduce hash creation by using update method