several bugfixes; major problem detected concerning compositions; repeat disabled
Composition do now correctly derive from Mode
several small bugfixes
select modes fixed by re-introducing the selectmode field in document
tests execute multiple runs again
setUp now called for each run; sample text configurable now
minor fixes concerning selectmode
several bugfixes concerning loading from file
another small bugfix
bugfix in input generation for randomized testing
speed up the tests by feeding Cancel more often
small bugfix in undo mode
selectmode lowercase
bugfix in goto_document
bugfix in randomized input
Merge branch 'gfate-intergration' into custom-text-datastructure

Conflicts:
	commandtools.py
	document.py
	operation.py
	test/basetestcase.py
	test/test_random_commands.py
	todo