map validate params

Changing bindings

Change behavior of vision.cc

Added signature and changed Cmake

Compiling

Need to fix compile

Added compiling random transforms

python changes for decoupling

two failed test case remaining

Compiling random choice

passes all ut

Changed assert

review comments

Added validate params

add back return value

Fix lint

py lint fix

pylint 2

Addressing comments

Leaf ops do self-reset.

embed python compose op

add implicit compose op

more tests