[EIDPCore] : Raw operator type added
[EIDPCore] : Fixed bug in new raw operator type and added case option
[EIDPCore] : Replaced raw operator for similarto and fuzzy (PostgreSQL specific)
[EIDPCore] : Added easysearch functionality to similarto

[REF] : This resolves #2
[EIDPCore] : Fixes padding in easysearch functionality when using similarto

[REF] : This resolves #2
Merged with master branch