Fixing bug in inViewport. Added isHidden and isVisible helper functions to the API
Fixing bug in inViewport. Added isHidden and isVisible helper functions to the API

pkdevbox/Ink,Anmo/Ink,mubassirhayat/Ink,rcarmo/Ink,sapo/Ink,sapo/Ink,birthdayalex/Ink,Anmo/Ink,rcarmo/Ink,Anmo/Ink,sapo/Ink,pedrocorreia/Ink,mubassirhayat/Ink,birthdayalex/Ink,pedrocorreia/Ink,pedrocorreia/Ink,birthdayalex/Ink,pkdevbox/Ink,pkdevbox/Ink,rcarmo/Ink