wip in Lisst post
Merge branch 'master' into wip/3

Conflicts:
	build.sbt
begin generalizing specs for monad laws
more refactoring of new Monad class & test
add a new directory in src trees, in preparation for adding new package
remove duplicated experimatnl code
first version of LisstMonadLawsSpec
wip/3
first draft of full set of changes for post 3