GroovyModLoader (GML)

==== 4.0
- 4.0.0: Update to 1.20

==== 3.0
- 3.2.3: Update the SimpleCI version again
- 3.2.2: Update the SimpleCI version
- 3.2.1: Update SimpleCI
- 3.2.0: Add a new addListener extension method (#17)
- 3.1.5: Update MC version range in mods.groovy
- 3.1.4: Update to Groovy 4.0.12
- 3.1.3: Document `GModEventBus`
- 3.1.2: Update Groovy and CGL version
- 3.1.1: Set up TC publishing
- 3.1.0: Update CGL and the Groovy version