Updated packages to latest versions.
Stylesheets and Javascript will now be rebuilt on the fly if any included files have been updated since the output files were built.
Fixed bug in app::getContentSecurityPolicy() where the directive img-src was mispelt as image-src.
Fixed spelling mistake.
Updated functions missing a return type.
Fixed issue where the default value for method arguments was null, but this was not defined in the type hint.
Moved to stable release.
Updated readme.md and readme.txt.