Bumping version to 3.0.0

Merge pull request tid-kijyun#182 from tid-kijyun/feature/v4.0.0

Feature/v4.0.0

Bumping version to 2.2.1

Bumping version to 2.2.0

Bumping the version up to 2.1.1

Merge pull request tid-kijyun#123 from tid-kijyun/develop

Changed the build settings to support cross platform

Fixed tid-kijyun#117 Breaks with NIL attribute

ref tid-kijyun#113 Fixed build error for SPM

Merge pull request tid-kijyun#110 from tid-kijyun/linux

Added support for linux

Modified .gitignore