wq.core 1.2.0

wq.core 1.2.0 is the first stable release of the wq.core 1.2 series.

Changes since wq.db 1.2 beta

• Check compatibility with Python 3.8

Other changes since wq.core 1.1.0

• Changes in Beta
  • Update Package metadata
  • Improve YAML parsing
  • Remove check for wq.io (renamed to IterTable)