updateKeys should work as intended from all functions

[hannah-bulmer]

Emitting updateKeys should work as intended when called from

• verifyCredentials
• init
• startup
• shutdown (?)
• getMetaModel
• Select Views functions

Or, if we are not implementing it for a given function, this should be reflected somewhere in the documentation.

The reason for adding this function to all these methods is that there have been cases already where it would have been useful in verifyCredentials and getMetaModel. It makes more sense to add it to all available methods than have to possibly come back to this issue again in the future

See #57 for details regarding implementation for verifyCredentials

For this issue to be resolved

• ensure updateKeys works as intended in verifyCredentials
• ensure updateKeys works as intended in init
• ensure updateKeys works as intended in startup
• ensure updateKeys works as intended in shutdown
• ensure updateKeys works as intended in getMetaModel
• ensure updateKeys works as intended in Select Views