instance method name use "#" instead of "." for assert
Remove space.
Use boolean macro in exc_equal.
Fix indent in mrb_hash_to_hash()
Add a space aftre bracket.
Merge pull request #2281 from ksss/doc-test

instance method name use "#" instead of "." for assert
Merge pull request #2283 from yui-knk/delete-space

Remove space.
Merge pull request #2284 from yui-knk/use-macro

Use boolean macro in exc_equal.
Merge pull request #2285 from suzukaze/fix-indent

Fix indent in mrb_hash_to_hash()
Merge pull request #2287 from yui-knk/add-space

Add a space aftre bracket.
support class define in singleton class
Merge pull request #2288 from ksss/define-class

support class define in singleton class
Add ISO index to `Kernel.local_variables`.
Add ISO index to `Kernel.eval` and `Kernel#eval`.
Add test for remove_instance_variable
Merge pull request #2290 from take-cheeze/eval_iso

Add ISO index to `Kernel.eval` and `Kernel#eval`.
Merge pull request #2289 from take-cheeze/local_variables_iso

Add ISO index to `Kernel.local_variables`.
Merge pull request #2291 from carsonmcdonald/removeivtest

Add test for remove_instance_variable
Add Range#size
Merge pull request #2293 from suzukaze/range.size

Add Range#size