Testcompose

This release contains some breaking changes as some vital classes were moved around to make development convenient for the library users

What's Changed
* ISSUE-12 readme fixes by rugging24 in https://github.com/rugging24/python-testcompose/pull/13
* Index doc alignement with readme by rugging24 in https://github.com/rugging24/python-testcompose/pull/14
* Index doc alignement with readme by rugging24 in https://github.com/rugging24/python-testcompose/pull/15


**Full Changelog**: https://github.com/rugging24/python-testcompose/compare/0.0.9...0.0.12

This release contain the following breaking changes

** test network can no longer be specified by the user, this is autogenerated for each running instance of Tescompose.

** Configuration properties `wait_timeout`, `poll_interval` and `startup_delay_time` which were initially specified in seconds are not specified in milliseconds and as such as been renamed to `wait_timeout_ms`, `poll_interval_ms` and `startup_delay_time_ms` respectively.

** Special config properties `DOCKER_PYTHON_EXTERNAL_HOST`, `DOCKER_PYTHON_INTERNAL_HOST`, and `DOCKER_PYTHON_MAPPED_PORTS` are all deprecated and replaced wit the `container_host_address`, `external_port`, `container_hostname` and `self`. See the README.md for more info.