Rework day14pt1
day14pt1 was tested failing, so it's been reworked. Local tests are
green, but this version hasn't been checked against AoC.
Also, beef up local testing.
- [DBH] src/adventofcode2019/day14.clj
- [DBH] src/adventofcode2019/lib.clj
- [DBH] test/adventofcode2019/core_test.clj
- [DBH] test/adventofcode2019/day14_test.clj
- [DBH] test/adventofcode2019/template_test.clj