remove hard dep on 5.10
add dep stats
Tidy changes
Add depchanges
Remove use of 'state'
v0.2.4

 [00 Minor]
 - Remove hard dep on 5.10
 - Upgrade deps on Module::Build
 - Changes tidied up.

 [Dependencies::Stats]
 - Dependencies changed, see Changes.deps{,.all,.dev} for details
 - build: ↑1
 - configure: ↑1
 - develop: ↑1
 - runtime: ↓1