Windows support

[denizzzka]

Fix #48

[denizzzka]

Current stuck is here:

core.exception.AssertError@C:\Users\denizzz\AppData\Local\dub\packages\eventcore-0.9.21\eventcore\source\eventcore\drivers\winapi\sockets.d(485): TODO!

[codecov-commenter]

Codecov Report

Merging #49 (7377010) into master (7d9f1c3) will not change coverage.
The diff coverage is 0.00%.

@@          Coverage Diff           @@
##           master     #49   +/-   ##
======================================
  Coverage    4.46%   4.46%           
======================================
  Files           2       2           
  Lines         179     179           
======================================
  Hits            8       8           
  Misses        171     171           

Impacted Files	Coverage Δ
source/vibe/db/postgresql/package.d	4.06% <0.00%> (ø)

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[denizzzka]

integration tests passed except LISTEN/NOTIFY facility:

object.Exception@M:\vibe-core\source\vibe\core\concurrency.d(1122): Conversion positive overflow
----------------
0x00007FF75FDB0639 in vibe.core.concurrency.Future!(NTF).getResult at M:\vibe-core\source\vibe\core\concurrency.d(1125)
0x00007FF75FD76BE7 in vibe.db.postgresql.__integration_test at M:\vibe.d.db.postgresql\source\vibe\db\postgresql\package.d(605)
0x00007FF75FDADAD7 in vibe.db.postgresql.test.D main at M:\vibe.d.db.postgresql\source\vibe\db\postgresql\test.d(30)
0x00007FFA896C0184 in void rt.dmain2._d_run_main2(char[][], ulong, extern (C) int function(char[][])*).runAll()
0x00007FFA896BFCB0 in d_run_main2
0x00007FFA896BFFE4 in d_wrun_main
0x00007FF75FDADB24 in vibe.db.postgresql.test.wmain at C:\Users\denizzz\dlang\ldc-1.30.0\import\core\internal\entrypoint.d(32)
0x00007FF75FE94EB0 in __scrt_common_main_seh at d:\agent\_work\2\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl(288)
0x00007FFAA1A77034 in BaseThreadInitThunk
0x00007FFAA1BE2651 in RtlUserThreadStart
Thread exit main (index 0) (main=true)
M