dcli_common 4.0.1-alpha.5

Common code used by multiple dcli packages.

4.0.1-alpha.5

• upgraded to latest version of pubspec_manager.
• removed conflict for Platform definition.
• Added support ot the Ask function to validate urls.
• Fixed a null check in the new inDocker method.
• updated the DockerShell to use /proc/1/cgroup to determine if we are in a docker container as the test for .dockerenv no longer

4.0.1-alpha.4

• first synchronised release.

1.0.0

• Initial version.