Fixed message for updates that don't affect rows
Updated test to match new error message
Merge pull request #228 from HeinrichFilter/patch-1

Fixed message for updates that don't affect rows
extend prototypes, rather than overwrite, for consistency
Tweaks to the updatePivot method
Merge pull request #226 from johanneslumpe/related-fetch-skip-null

Started to fix issue #212
Merge pull request #230 from tgriesser/updatePivot-tweaks

updatePivot tweaks
minor tweak to prefixFields
docs prep for release
release 0.6.3
docs link fix
move withPivot example up in the docs