Fixed typo in typedef.
Merge pull request #119 from simongog/fix_typedef

Fixed typo in typedef.
Merge branch 'master' into doc_re_cleanup
Addressed issue #120.
Back to old state.
Merge pull request #121 from simongog/issue_120

Issue 120
Added helper lines.
Use better parametrization for SADA.
Merge branch 'master' into doc_re_cleanup