updated README.rst
Merge pull request #40 from RayPlante/quickdev

updated README.rst (examples & unit tests sections)
issue #37: registry: added AND/OR control to search()
Merge pull request #41 from RayPlante/regandor

issue #37: registry: added AND/OR control to search()
issue #37: registry: fix NeedsNet test
Merge pull request #42 from RayPlante/regandor

issue #37: registry: fix NeedsNet test
Merge remote branch 'upstream/master' into placeholder