Merge branch 'feature/removeButton'

Release 0.4.2 🚢

Able to add shadow

Release 0.4.1 🍻

* Support selected text color
* Support Objective-C
* Refactor some code

Release 0.4 🎉

Able to set alignment

Release 0.3.1

Fix a memory leak

Release 0.3 🍻

Experimental support for Carthage

Release 0.2

Release 0.1.4

Add sender to tagPressed delegate method

Release 0.1.3