Merge pull request #16 from pemaxim/development

Ready to release 1.38.2
Fixed some formatting and moved wpp-data-tables.css into /css out of third-party; added composer.json
Fixed some formatting and moved wpp-data-tables.css into /css out of third-party; added composer.json
Yes/No fix for checkbox type inputs
Merge remote-tracking branch 'upstream/development' into development

Conflicts:
	default_api.php
Merge pull request #18 from antonkorotkov/development

Yes/No fix for checkbox types
Merge