Merge pull request #87 from Fugacity59/master

Merge ready
Deleted non-generic file
Added deadtime support for utils.tf_step
Added deadtime support for utils.tf_step
Merge pull request #89 from jeanpierrecronje/master

Added deadtime support for utils.tf_step
In function "omega(w_start, w_end)" made corrections to the documentation section.
Added the full SVD that returns U, Sv and V.  U = output singular vetors, Sv = singular values and V is the conjugate transpose of VH.
Merge pull request #90 from pdawsonsa/master

In function "omega(w_start, w_end)" made corrections to the documentatio...
Added MIMOnyquist.py
Added performance weighting function Wp(s) to utils.py
Merge pull request #92 from pdawsonsa/master

MIMO Nyquist plotting function and performance weighting function
Added a note to utils.Wp function regarding the origin of the weigthing function used.
Merge pull request #93 from pdawsonsa/master

For utils.Wp specified which weighting function was used.
Added convenience wrapper that calculates the values needed to evalutate a systems abillity to reject disturbances.  ||gd||2 and distCondNum
Merge pull request #94 from pdawsonsa/master

Added disturbance rejection function
Corrected the documentation dections of sigmas(), SVD(), Wp() and distRej() functions to comply with the Numpy docs format
Merge pull request #95 from pdawsonsa/master

Corrected the documentation to comply with the Numpy format.