Chatto 3.2.0

Features:

• Added support for custom main view in BaseChatViewController #323 by @serge-star
• Added ability to change input bar border color and width #339 by @NSEGeorge
• Added ability to control visibility of failed icon #359 by @turbulem
• Added Xcode 9 and iOS 11 support #352 by @AntonPalich
• Added support for swiftlint 0.23 #371 by @AntonPalich

Bugs:

• Fixed crash caused by missing optionality identifier in UIKit #310 by @raisaanjani92
• Fixed input container position when presenting chat as child controller #338 by @KaterinaPetrova
• Fixed issue with gesture recognizers that wasn't disabled for text messages on iOS 11 #366 by @AntonPalich