Merge branch 'hotfix/simpleop' into develop
Merge branch 'hotfix/pypi' into develop
Add truediv method and fix div.
Return ZeroOperator when multiplying by zero.
Add dtype to reduced op.
Support init of DiagonalOperator with list.
Specify dtype of linop from ndarray.
Improve getitem, add setitem for block ops.
Merge branch 'develop'