Added a shortcut for UIACollectionCell and another shortcut for UIATableCell.
Merge pull request #838 from kinghenry3/CollectionCellShortcut

Added a shortcut for UIACollectionCell and another for UIATableCell.
Fixed broken tabelcell search due to appium pull request #838.
Merge pull request #839 from kinghenry3/TableCellFix

Fixed broken tabelcell search due to appium pull request #838.