update to Groovy 4.0.0-alpha-2

update for Groovy 4.0

update to Groovy 3.0.5

update for Groovy 3.0.4

update to Groovy 3.0.3

update to Groovy 3.0.2

update for Groovy 3.0.1

update to Groovy 3.0.0

minor update

update for Groovy 3.0.0-rc-3

minor update

minor update

update to Groovy 3.0.0-rc-2

update to Groovy 3.0.0-rc-1

improvements to JShell based scripting