solver monitors prepend existing monitor data, prior behavior with new=True;
monitors now have extend and prepend methods; added test of monitor prepending;
can unset StrictRanges with SetStrictRanges(None); simiarly for SetSaveFrequency


git-svn-id: svn+ssh://svn.mystic.cacr.caltech.edu/mystic/mystic@704 968178ea-60bd-409e-af13-df8a517b6005
Merge branch 'master' of https://github.com/uqfoundation/mystic