Azure-devops

Fixed a number of cases were property types were set to `int` instead of `float`. See issue 305.

Support for 6.0-preview APIs

add pipelines_permissions_client and pipelines_checks_client

Fixed a number of cases were property types were set to int instead of float. See issue 305.

Fix issue 289 - Check for location id at deployment level if it does not exist at the organization level.

Fixes 280, and a number of spelling mistakes in the comments.

Breaking change:
namespace `azure\devops\v5_0\universal` changed to `azure\devops\v5_0\upack_api`
namespace `azure\devops\v5_1\universal` changed to `azure\devops\v5_1\upack_api`