add new rules and test
add new rules and tests
change rules
add new rule and test
change rules
fix properties
add aditional rule
Merge pull request #442 from mimmi20/issue-438

Issue #438
Merge pull request #441 from mimmi20/issue-439

Fixes #439
Merge pull request #440 from mimmi20/issue-437

Fixes #437
Merge branch 'master' of https://github.com/browscap/browscap into issue-3