PERL-221 created MongoDB::BSON::Regexp class
preload other datatype support modules
added nolock support to eval in MongoDB::Database
Merge pull request #86 from ashleywillis/eval-nolock

added nolock support to eval in MongoDB::Database
Merge branch 'master' of github.com:mongodb/mongo-perl-driver
fix syntax error for nolock support
PERL-221 regex flags must be in sorted order
PERL-221 basic tests for regexp object