Merge pull request #24 from PerfectlySoft/swift-5.1

Swift 5.1

Merge pull request #21 from natsuki14/connection

Modified PostgresExeDelegate.hasNext() to throw an exception rather than returning empty-iterator

Added funcs for extra insert and update features

Fixed URL handling

bumped dep version

Added unsigned column accessors. fixed crud fetch in some cases

Merge pull request #19 from nightwill/fix/bloboverflow

Fix overflow during fetching blob field

added generic init

Delete .gitattributes

Merge pull request #17 from PerfectlySoft/ISS-574-Notice-Receiver

ISS 574 Notice Receiver