Created Invoke-RestMethod proxy

Refactored project to use proxy function of Invoke-RestMethod cmdlet to
overcome the problem with UnEscapingDotsAndSlashes
Added about_UnEscapingDotAndSlashes

Added help file about_UnEscapingDotAndSlashes.
Added Get-RabbitMQNode cmdlet
Added Get-RabbitMQChannel cmdlet
Added support for tab completition
Added Get-RabbitMQQueue cmdlet
Added Add- and Remove-RabbitMQQueue cmdlets
Added aliases
Added Get-QueueBinding cmdlet
Added Add-RabbitMQBinding cmdlet
Added Remove-RabbitMQQueueBinding cmdlet
Added Get-RabbitMQMessage cmdlet