From: @alexyuyue
Reviewed-by: 
Signed-off-by:

add single element string tensor support for plugin tensor

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

From: @tiancixiao
Reviewed-by: @liucunwei,@pandoublefeng
Signed-off-by: @liucunwei

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

fix rebase confict

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

From: @ezphlow
Reviewed-by: 
Signed-off-by:

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

Merge pull request !5300 from nhussain/slice_op

add string implementation, can handle partial string slices

finish core implementation, added Index object

fix up the logic

add in new SliceOption object, cleaning up tests

Add ImageBatchFormat to init.

change ImagefolderDV2 name

change ds.transforms.vision to ds.vision

change batch api to match map api more closely

compose op changes

test_pylint

remove compose op from vision, move to transform module, refactor map and batch to use column_order

Merge pull request !5385 from cathwong/ckw_dataset_ut_cleanup8

Merge pull request !5094 from h.farahat/master

address review cmts

address review cmts