numbers in the same manner as MATLAB.

hand arguments if they are complex numbers.  This way they do a proper
cross-correlation and also mirror the behavior of MATLAB.

when the BLAS bindings were enabled.  In particular, expressions which
involved a 1x1 matrix sometimes didn't compile.

values for different labels.

command line parser and config reader.

from command line parsers and config readers.

This change breaks backwards compatibility with the previous version.