v0.3.0

• Added edgeCases to #[Property] and PROPERTY_EDGE_CASES (mixin or
  none) to the environment, reaching core 0.3's switch for the numeric
  boundary bias. Turning it off stops a property that cannot use 0, ±1 or a
  range's ends from spending one run in five on a value it discards. The
  variable overrides the attribute, like every other CI-facing knob, and an
  unknown value throws rather than silently keeping the bias it was told to
  drop.
• Requires rasuvaeff/property-testing-core ^0.3.