Change Log for PSRemoteOperations

v3.3.0

• Added commands Register-PSRemoteOpPath and Import-PSRemoteOpPath to store path variables with the module. (Issue #13)
• Added better error handling to Get-PSRemoteOperation and Get-PSRemoteOperationResult when unprotecting a CMS message. (Issue #14)
• Updated about help
• Updated README.md
• Updated Pester tests