Removed typo.

no need to add it the second time.
Added support for NSAttributedStrings
Merge pull request #3 from Zhukn1/patch-1

Removed typo.
Updated contributors.
Update README.md

Updated layout of Readme.
added brackets for if statements.
Also updated source files in the example project.
Merge pull request #6 from Zhukn1/master

Fixed issue with slider panning.
Merge branch 'master' of github.com:Zhukn1/DVSwitch into attributed_string
Merge pull request #4 from Zhukn1/attributed_string

Added support for NSAttributedStrings.