[resource] fixed case of empty data in resource.invoke
Merge branch 'master' of github.com:ahdinosaur/resource
[invoke] [test] added more invoke tests for creature.all cases
[invoke] [test] added more invoke test and changed code to pass
Merge branch 'master' of github.com:bigcompany/resource
[persist] [test] added test for creature.create without id
Merge branch 'master' of github.com:bigcompany/resource