Drop newDataValueFromValueField
Default getEqualityFieldValue to DataValue::getHash
Support more than one sort field
Remove singular method
Merge pull request #47 from wmde/sort-array

Support more than one sort field
Merge pull request #45 from wmde/hash-decode

[WIP] Drop newDataValueFromValueField
Merge pull request #46 from wmde/equality-hash

Default getEqualityFieldValue to DataValue::getHash
Merge branch 'master' into HEAD