Fixed "(null)" caption when `XLFormRowDescriptorTypeSelectorLeftRight` row required error message is shown.
Merge pull request #158 from pastorin/master

Fixed "(null)" caption when `XLFormRowDescriptorTypeSelectorLeftRight` r...
minor change.
avoid crashes by nil-ing out unsafe properties

both the delegate and dataSource properties of UITableView are unsafe
unretained, therefore we should set them to nil upon deallocation
see this StackOverflow question:
http://stackoverflow.com/questions/26147424/crash-in-uitableview-sending-message-to-deallocated-uiviewcontroller
Merge pull request #169 from CalQL8ed-K-OS/zero_out_unsafe_props

avoid crashes by nil-ing out unsafe properties
Fix swapped comments in Date rows example

DateTime and Time comments seemed swapped.
Update README.md
Merge pull request #172 from jeffreyjackson/patch-1

Update README.md
Merge pull request #171 from martinnormark/master

Fix swapped comments in Date rows example