Remove devel/py-ctypes (only needed by and supporting python24).
Remove PYTHON_VERSIONS_ACCEPTED and PYTHON_VERSIONS_INCOMPATIBLE
lines that just mirror defaults now.
Miscellaneous cleanup while editing all these files.
Lettuce is a simple behaviour-driven development (BDD) tool based
on Cucumber. The features of the system (to be tested) are defined
in a natural language with scenarios describing the features. Steps
are written in python.
(I packaged this for my work at ISC. We are developing a
DNS server test suite to be usable for various DNS servers
for compliance testing.)