Added warning for import error in ldap auth
Fix undefined variable

88399f3 introduced an undefined variable, this fixes that.
Raise exception if ldap auth module not available
Removed logging to please the thatch
`os.sep` is not callable. Add missing imports. Fix except `OSError` assignment.
Fix undefined variable error
Merge pull request #6723 from terminalmage/issue6656

Fix undefined variable
Merge pull request #6726 from s0undt3ch/develop

Jenkins pylint reported fixes.
Merge pull request #6720 from KennethWilke/develop

Added exception in ldap auth module
Merge pull request #6725 from SmithSamuelM/develop

Added name spaced event tags to runner
Pass the correct values to tarfile
File_roots values are lists!
define the cmd after working out augments
returners.mysql: fix unusual capitalization in log message
Updating to version 0.16.3
Merge pull request #6729 from kaptk2/develop

Updating to version 0.16.3
Merge pull request #6728 from cvrebert/patch-1

returners.mysql: fix unusual capitalization in log message
Removed the "Python API" document in favor of the "Clients" doc

This change moves some docs into class docstrings and some into the
clients/index.rst document.

Fixes #6705
Replace cross-references from :py:mod to :ref: for module types
Quiet Sphinx warning for deprecated Python API doc