added support for dynamic indexer getter to SimpleRecord
Fixed bug when running IN-query on strings with InMemoryAdapter
Don't run update if new values equal original

Don't run update if new values equal original, and return zero for the
number of rows changed
Fixes issue #338. (SqlBulkInserter breaks when the records given to it aren't all the same.)
Merge pull request #339 from mattrrichard/master

Fixes issue #338. (SqlBulkInserter breaks when the records aren't homogenous)
Merge pull request #336 from pmarflee/master

Don't run update if new values equal original
Merge pull request #329 from sandranystrom/master

Fixed bug when running IN-query on strings with InMemoryAdapter
Merge pull request #327 from jplane/master

added support for dynamic indexer getter to SimpleRecord