Merge pull request #39 from zenoss/master

Add core.GetSource method and refresh parameter to core.IndexWithParameters
Added automatic id generation support for bulk
Merge pull request #40 from gottwald/bulk-auto-id

Added automatic id generation support for bulk
Fixed GetIndexUrl Tests

- Fixed all GetIndexUrl argument counts (added refresh argument)
- Added GetIndexUrl test with refresh false argument
Fixed TestUrlGenerationNoRefresh assert message
Merge pull request #42 from gottwald/test-fix

GetIndexUrl test fix