[OnePiece5] error_get_last is available in 5.2 or later of PHP version.
[OnePiece5] debug_backtrace args, version 5.2.5 later
Merge branch 'staging' of https://github.com/TomoakiNagahara/op-core into staging
Merge branch 'stable' of https://github.com/TomoakiNagahara/op-core into stable
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'

Conflicts:
	OnePiece5.class.php
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
[ConfigMgr] Change: Fixed OnePiece5::init
[Model] Change: Naming rule.
[NewWorld5] Bug: HTML-pass-through is wrong alias
[NewWorld5] Change: Settings method name.
[NewWorld5] Change: Many method move to App class.
[Form5] Change: Name of option, support both.(option,options)
[OnePiece5] Change: return value of template method
[OnePiece5] bug-fix: object is var_export
[Form5] bug-fix: wrong attributes. (not added id)
Merge branch 'develop' of https://github.com/TomoakiNagahara/op-core into develop