dartman

Results 3 issues of dartman

This is a request for a more helpful error message when deploying a contract with invalid name: ![Screen Shot 2022-01-30 at 1 20 58 PM](https://user-images.githubusercontent.com/34408740/151712192-530e3336-55c2-4de4-9359-6904b583247c.png) Thank you!

enhancement-p4
area:developers
enhancement

## Description Substituted 'SIP-000' with 'SIP-007' in the reference.

Please add a read-only call to get-data function. :) Thank you for these helpful starters! Nice work.