Added rect information to XML source output
Made getElementAttribute return a NULL value instead of nothing
Merge pull request #583 from ainsej/get-element-attribute-null

Made getElementAttribute return a NULL value instead of nothing
Merge pull request #581 from ainsej/json-rect

Added rect information to XML source output
Removed manual looper, exceptions are caught in Standalone now
Merge pull request #579 from ainsej/remove-looper

Removed manual looper, exceptions are caught in Standalone now