Fix for empty manifest plugins field
Internal variable name update
Restructure in preperation for additional features. For #3
Add pre handler functions to compose options. Closes #3
Style cleanup
Hapi 8.0.0-rc6
Joi 5.x.x
Update tests to use realm.modifiers of hapijs/hapi#2230
Hapi 8.0.0-rc8. Closes #4
Fix for plugin dependency test
Validate compose options