Fixed MRB_INT64 warning
Fixed mistake
defined printf macro for mrb_int
Moved mrbgems examples
Merge pull request #783 from masuidrive/move_mrbgems

Moved mrbgems examples
Fixed mrbc file ext on host
Modify code blocks
Fix some styling of the documentation
Fixes a number of "comparison between signed and unsigned" warnings.
Removed tests that look outdated. The mrb_compile_string they use is gone now.
Merge pull request #787 from carsonmcdonald/unittestcleanup

Removed tests that look outdated.
Merge pull request #785 from bovi/readme

Improve Documentation
Merge pull request #786 from carsonmcdonald/unsignedfixes

Fixes a number of "comparison between signed and unsigned" warnings.
Merge pull request #784 from masuidrive/fix_mrbc_ext

Fixed mrbc file ext on host
remove bin/command first to avoid text file busy
Initialize Range->edges after cheking `beg` and `end` to prevent segmentation fault.
Enable test for `Range#initialize`.
load MRUBY_CONFIG script after 'build_config.rb'
Added .lib extension for library file on VS2012
Change the way that the DISABLE_GEMS flag is set.