* win become: refactor and add support for passwordless become
* make tests more stable
* fix up dep message for Load-CommandUtils
* Add further check for System impersonation token
* re-add support for become with accounts that have no password
* doc fixes and slight code improvements
* fix doc sanity issue
* WinRM/PSRP: Ensure shell returns UTF-8 output
This PR makes UTF-8 output work in PSRP shells.
* Add win_command and win_shell integration tests
* Fix tests
* more test fixes
* Add Ansible.ModuleUtils.PrivilegeUtil and converted code to use it
* Changed namespace and class to be a better standard and fixed some typos
* Changes from review
* changes to avoid out of bound mem of server 2008
* changes to detect failure when setting a privileged not allowed
* changed RunCommand result from Tuple to CommandResult for easier future extensibility
* moved Win32 Dictionary->multi-null-string environment munging into C#