mrb: transfer exception in mruby to Groonga after running a command
mrb: transfer exception in mruby to Groonga after running a command

Normally, Command#run_internal handles all exceptions. But
sometimes (such as NoMemoryError), Command#run_internal can't handle an
exception.

kenhys/groonga,cosmo0920/groonga,cosmo0920/groonga,kenhys/groonga,kenhys/groonga,naoa/groonga,komainu8/groonga,komainu8/groonga,groonga/groonga,naoa/groonga,kenhys/groonga,komainu8/groonga,naoa/groonga,cosmo0920/groonga,kenhys/groonga,cosmo0920/groonga,cosmo0920/groonga,naoa/groonga,groonga/groonga,groonga/groonga,kenhys/groonga,cosmo0920/groonga,cosmo0920/groonga,komainu8/groonga,groonga/groonga,kenhys/groonga,cosmo0920/groonga,komainu8/groonga,naoa/groonga,naoa/groonga,groonga/groonga,komainu8/groonga,groonga/groonga,komainu8/groonga,kenhys/groonga,groonga/groonga,groonga/groonga,naoa/groonga,komainu8/groonga,naoa/groonga