Adds some missing functions to ccloud_library (#659)
Adds some missing functions to ccloud_library (#659)

* Adds some missing functions to ccloud_library

For now these are duplicated out of helper.sh to maintain the
scripts independence.  We can resolve this duplication over time
if necessary, but this is an attempt to get the script usable
on its own

* Updates default required ccloud version to 1.7.0

* Updates check_expect function to new naming in ccloud_lib
confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples,confluentinc/examples