metrics 2.0 (vapor#88)

Send terminate message on close (vapor#86)

* send postgres terminate message when closing

* fix logging

Release Candidate 1 (vapor#85)

* rc.1

* readme + 5.2

* readme

* br

* 64

Support Swift.Set (vapor#83)

Handle NAME Type in PropertyData.string Property (vapor#82)

* Handle .name type with .varchar and .text in PostgresData.string property

* Updated fluent CI job to use vapor/swift:5.2 image

char(n) / bpchar fix (vapor#72)

Fix Numeric String Serialization (vapor#78)

* fix numeric serialization where many zeroes come after integer or before fraction

* remove debug print

* cleanup code comments

* test 1_000_000 numerics on linux

* comment out slow test

add PostgresData+JSON support (vapor#76)

add isUserDefined + fix optional (vapor#75)

rm bpchar to int support, use char with quotes (vapor#73)