Uia type string can handle iOS8 UIWebView edge cases
Whitespace change in uia.rb
Add uia_result and uia_type_string specs
Replace instance_eval with send in spec
Rename 'res' variable to 'result'
Updating the uia_type_string code-level docs
Merge pull request #563 from calabash/feature/fix-uia-type-string-on-ios8-webviews

Fix uia type string on iOS 8 webviews