3.0.0-beta6

docs(upgrading): Script based adding of phpdoc references between lib/ code and src/V3/ code
Merge pull request #22 from horde/feat/issue-19-baseform-implementation
chore(PR#22): Fix Merge conflict.
fix: More security casting
test: Reduce reliance on real externals in unit tests and prefer named parameters
fix: cast to string explicitly.
fix: Rely on new Exception class pear stub