hop: TaskRegistry: pulled name validation out into a state method
updated dependencies, flagging 0.21.1-dev
v0.22.0
Starting on task chaining

Issue #16
hop: chain tasks by name
hop: named description params for Task methods

thanks, @financeCoding
hop_tasks: removed old TODO
flagging dev version
updated to latest bot_io without silly issues
updates for SDK >=0.5.3
v0.22.1
more fixes for Directory.current
v0.22.1+1
test hop: tests for different chained results