Issue 224: added rule and test
added rule and test, merged two sogou files
Issue #226: added rule and test, reformated file
Issue 227: added rule and test, grouped general crawlers into one folder, reformated files
Issue 228: added rule and test
fix test
fix test
Merge pull request #229 from mimmi20/issue-226

Fixes #226
Merge pull request #230 from mimmi20/issue-225

Fixes #225
Merge pull request #231 from mimmi20/issue-224

Fixes #224 and fixes #228
Merge pull request #232 from mimmi20/issue-227

Fixes #227
Merge pull request #233 from mimmi20/master

added missing information