Workaround neo-cli accepting invalid contract parameter types

[ixje]

What current issue(s) does this address, or what feature is it adding?
audit of testnet block 846536 showed a deviating in VMstate due to the syscall Neo.Contract.Create accepting invalid ContractParameterType's whereas neo-python throwed exceptions. The issue is reported there: neo-project/neo#827

How did you solve this problem?
added a workaround to be inline with neo-cli, but should be fixed in neo-cli

How did you make sure your solution works?
audit passes, make test

Are there any special changes in the code that we should be aware of?
na/

Please check the following, if applicable:

• Did you add any tests?
• Did you run make lint?
• Did you run make test?
• Are you making a PR to a feature branch or development rather than master?
• Did you add an entry to CHANGELOG.rst? (if not, please do)

[coveralls]

Coverage decreased (-0.009%) to 85.904% when pulling c416897 on ixje:tmp-fix-invalid-contract-param into 366cb0c on CityOfZion:development.