Update to allow setting contracts version.
Update bootstrap/install files - making them more sophisticated.
Update Docker to add default values for leap, cdt, and contracts. Added additional tests.
Added documentation about setting leap, cdt, and contracts versions for release.
Update to allow setting contracts version. Update bootstrap/install files - making them more sophisticated. Update Docker to add default values for leap, cdt, and contracts. Added additional tests. Added documentation about setting leap, cdt, and contracts versions for release.
Closes #201 Closes #182