HadamardProduct infers element type
Assumptions - element types of slices/blocks
element types of trace and determinant
Added valueerror catch in textplot
Merge pull request #2063 from mrocklin/matrix-fix-1

Type assumptions on matrices - extra classes
Merge pull request #2068 from catchmrbharath/textplotfix

Fix 3795
pythonstartup
logjoin
rfactor and rclean
expand_2arg