Fixing typo in Context::getContextData().
Added 'Path alias exists' condition.
Merge pull request #32 from fubhy/path-alias-exists-condition

Added 'Path alias exists' condition.
Fixing typo in method name.
Fixing line breaks in RulesAnd.php and RulesOr.php
Added method for mocking 'and' and 'or' condition containers.
Merge pull request #34 from fubhy/mock-rules-and-or

Use mocked 'and' condition container
Initial PathHasAlias condition implementation.