Merge branch 'release/0.11.0' into develop
These rng files were duplicating other files.
Fixed paths. Added test for choice_not_chosen.
call_dump now usable everywhere.
Spurious file.
Fixed a bug in ChoiceWalker, which would cause it to not report that the XML file did not choose between options.
Inverted the protocol for a lack of error. A value of false for fireError() and end() now means no error.
Simplified a test.
Fix trailing whitespace.
Fix trailing whitespace.
Fix trailing whitespace.
Documentation fixes.
The protocol for return values changed...
New version.
Merge branch 'release/0.12.0'