Upgrade rspec, fix bug in person search and tests

Upgraded rspec to 2.99, transitional release. Fixed bug in
models/person.rb and added tests for person model.
Merge pull request #28 from kgf/Fixing_memberID_bug_in_person_search

Upgrade rspec, fix bug in person search and tests
Merge pull request #29 from kgf/master

Should have done previous PR against development, not master