%I %i literal
Merge pull request #1031 from FUKUZAWA-Tadashi/iI

implement %I %i literal
Merge pull request #1030 from monaka/pr-some-optimizes-to-vm.c-20130318

Some optimizes to vm.c
Merge branch 'pr-add-new-api-mrb_true_or_false_value' of https://github.com/monaka/mruby into monaka-pr-add-new-api-mrb_true_or_false_value
rename mrb_true_or_false_value() to mrb_bool_value()
add new macro mrb_bool as a counterpart of mrb_bool_value
Merge branch 'master' of github.com:mruby/mruby
Define STR_SIZE_MAX as the maximum string size (length) for the runtime.