New tests for new commands with options.
Added tests for default chapter.
Merge branch 'option_files'

* option_files:
  New tests for new commands with options.

Conflicts:
	doc/chap0.html
	doc/chap0_mj.html
	doc/chap3.html
	doc/chap3_mj.html
	doc/chapInd.html
	doc/chapInd_mj.html
	gap/Declarations.gd