Finalisation of the Engine functional requirements
GUI requirements finalised
Merge remote-tracking branch 'upstream/master'
Merge pull request #183 from sandoche2k/master

Merge requirements and specifications
Fixed all issues from security audit
Merge pull request #185 from mtoma/fix-seucurity-audit-remaining-issues

Fixed all issues from security audit
Fixes #129
Merge pull request #186 from mtoma/fix-issue-129

Fixes #129
Fixes #163
Merge pull request #187 from mtoma/fix-issue-163

Fixes #163
Added zone testing tool - iterate through all TLDs
Merge pull request #188 from pawal/master

Added zone testing tool - iterate through all TLDs