[Suggestion] Modifying the slot design for the qenv class

[pawelru]

ID should be an attribute of each element of code vector. This would save you assertions of the length between those two and possibly more.

Originally posted by @pawelru in #66 (comment)

[donyunardi]

The class' slots has grown during development and with all the works that has been going in to the feature branch, maybe it'd be best if we reserve this for the next increment.

The team has reviewed this and assigned story point but still need to decide if this is necessary to do.

[gogonzo]

same applies to:

• warnings
• messages