Prefer direct member access than type_id()
Element::removeAttribute* does not need to throw
Merge pull request #2905 from brunoabinader/element-removeattr-no-throw

Element::removeAttribute* does not need to throw
Ignore spaces in base64 data URLs. Fix #1268.
fixup! Ignore spaces in base64 data URLs. Fix #1268.
Merge pull request #2908 from SimonSapin/base64-space

Ignore spaces in base64 data URLs. Fix #1268.
Merge pull request #2906 from brunoabinader/node-typeid-fix

Prefer direct member access than type_id() in Node self.type_id calls