Bump version - 0.9.1

Fix "Include of non-modular header inside framework module" error mes…

…sage

update CHANGELOG AND README

bump version - 0.8.3

update podspec

Bump version 0.8.1

fixes travis build by install cocoapods

Bump version - 0.7.2

bump version - 0.7.1

Bump version to 0.7.0

Cleanup XMLNode, use Native#alias_native whenever possible.
Update dependency.