Add % to the list of characters to escape
SDTableViewSectionController: Broke the sectionDidLoad/sectionDidUnload APIs; Changed to sectionDidLoad:/sectionDidUnload: passing the section controller.
SDTableViewSectionController: Improve documentation
Merge branch 'master' of github.com:setdirection/ios-shared
Add NSLayoutConstraint helper method for building superview constraints with a gap
Merge branch 'master' of github.com:setdirection/ios-shared
added -useGenericBackButton to UIViewController+SDExtensions
Merge branch 'master' of github.com:walmartlabs-wmusiphone/ios-shared
SDTableViewSectionController: estimatedHeight is now opt-in and permanent.  Guard section access for indexes out of bounds.  Some APIs will be called for missing sections, such as didEndDisplay...
Merge pull request #66 from walmartlabs-wmusiphone/master

Small updates
Woolie Improvements
Merge branch 'master' of github.com:setdirection/ios-shared
Merge pull request #70 from walmartlabs-wmusiphone/master

Replaced tab with spaces, check for NSNotFound
Added arm64.
Merge branch 'master' of github.com:setdirection/ios-shared
Added removeLeadingAndTrailingWhitespace as well as tests for it and the other two removes.