revert commit that deletes files -- keep so that we can go back to at any time and it makes no difference in disk space eihther way. Deleting large number of files makes diffs extremly dificult
Added new 'eigenr' and 'eigenc' selections to get real and complex values of eigenvalues,
note, the existing 'eigen' is the same as 'eigenr' -- will get real part of eigenvalue.

Found a fixed a potentially big problem in libstruct: was allocating and throwing a pointer
to a newly created NON std::exception derived object. Changed to throw std::exception by value.
bumped version
Removed old testing files, update cmake to deliver rrtest files into python package,
to better deal with invalid test files and strip whitespace from test ids such as Windows
line endings.
Merge pull request #67 from sys-bio/develop

Develop