`updateClientCreationTime` has always *also* set the `creationTime`, if not currently set. If `updateClientCreationTime` was called a second time, it updated `clientCreationTime` but not the now set `creationTime`. Add behavior that also updates `creationTime` to new value.
`updateClientCreationTime` has always *also* set the `creationTime`, if not currently set.
If `updateClientCreationTime` was called a second time, it updated `clientCreationTime` but not the now set `creationTime`.
Add behavior that also updates `creationTime` to new value.

sahara108/apptentive-ios,hibu/apptentive-ios,apptentive/apptentive-ios,hibu/apptentive-ios,apptentive/apptentive-ios,hibu/apptentive-ios,apptentive/apptentive-ios,Jawbone/apptentive-ios,sahara108/apptentive-ios,Jawbone/apptentive-ios,ALHariPrasad/apptentive-ios,ALHariPrasad/apptentive-ios