Simplify conf parsing, separate func & tbl configs #2144

Job	Run time
Lint and Unit test	3m 40s
Build aarch64-apple-darwin	7m 12s
Build debian-x86_64	1m 52s
Build x86_64-apple-darwin	3m 30s
Build and test docker images	6m 17s
Build x86_64-pc-windows-msvc	3m 26s
Build x86_64-unknown-linux-gnu	7m 55s
Test on macOS-latest	6m 47s
Test postgis:11-3.0-alpine sslmode=disable	4m 53s
Test on windows-latest	1m 48s
Test postgis:14-3.3-alpine sslmode=disable	6m 23s
Test on ubuntu-latest	58s
Test postgis:15-3.3 sslmode=require	5m 5s
Package	1m 15s
CI Finished	1s
	1h 1m 2s

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