v4.02

Bugfixes and improvements to the v4.01 release. Most notably, an error with the processing of matrix-valued inequality constraints using dpvar objects has been fixed. See the list of known bugs in v4.01 for a full list of updates.

List of new files:
dpvar/ @dpvar/ sum.m
dpvar/ @dpvar/ trace.m

List of updated files:
sosprogram
sossolve
custom/ findsos
dpvar/ @dpvar/ display
dpvar/ @dpvar/ dpvar
internal/ sosprogramming/ getequation
internal/ sosprogramming/ sosconstr