added findsource and getsourcelines for better compatability with inspect
added indent, outdent, dumpsource, getimport
added support functions: _hascode, _isinstance, _intypes, _isstring
added support functions: _indent, _outdent, _enclose, _getimport, _getcode
deprecated getblocks, likely_import, _likely_import
mild backward incompatability for getsource
enable handling of instances using dumps/loads; better stability, coverage, etc


git-svn-id: svn+ssh://svn.mystic.cacr.caltech.edu/pathos/dill@631 8bfda07e-5b16-0410-ab1d-fd04ec2748df
Merge branch 'master' of https://github.com/uqfoundation/dill