* @sashabelonogov Update LayoutConstraint == operator to support iOS 10 and higher changes
* Simplify return statement of the LayoutConstraint == operator
* Update swift version 5.0
* Remove needless access control
* Fix misused "Available" annotations
* Support @unknown default
* Support swift 5.0 in test code
* Update podspec
* Update travis CI
* Code review by @freak4pc
* Add constraint for Swift version
* Fix build failed
* delegate identical 'constraint creation' code to 'prepareConstraints'
* adds 'set(isActivated:)' method to call appropriate 'activate/deactivate' based on bool
cleans up about 30 lines of
if foo { activate }
else { deactivate }
code in my app
* instead of 'set(isActivated:)', use 'isActive = value'
Robert Payne
Alexander Belonogov
Jungwon An
Colin T.A. Gray
Linus Unnebäck