Fbpcp

Types of changes
* Bug fix (non-breaking change which fixes an issue)

Description of changes
* Updated the instance updating logic in MPC service

Types of changes
* Bug fix (non-breaking change which fixes an issue)

Description of changes
* Fixes bug introduced in 0.2.4 (And 0.2.4 was deleted from pypi to prevent further usage)
* The fix is to use the correct parameter name nextToken in list_task_definitions - PR 252
* (From 0.2.3 -> 0.2.4) PCE Validator CLI Change: Implement returning non zero exit code for error results

Types of changes
* New feature (non-breaking change which adds functionality)

Description of changes
* PCE Validator CLI Change: Implement returning non zero exit code for error results

Types of changes
* New feature (non-breaking change which adds functionality)

Description of changes
* API change: Update get_instances in AWS Container Service to take larger input size

Types of changes
* Dependencies Updates

Description of changes
* Update the version of dependencies to make them internally consistent and Fix the docker image vulnerables

Types of changes
* New feature (non-breaking change which adds functionality)

Description of changes
* API change: get_containers and get_instances now allows optional value
* Add more logging in gateway level for better debugging