NiftyHistoryItem and other commands do not work with SSL P4 Servers

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Setup your P4 server to use SSL
2. Right-click a file and select 
NiftyHistoryItem/NiftyTimeLapseItem/NiftyRevisionGraphItem.

What is the expected output? What do you see instead?
NiftyHistory on an item brings up the same P4V dialogs you get if you haven't 
setup the "ssl:" prefix on the port for your workspaces.

What version of the product are you using? On what operating system?
NiftyPerforce 1.4.0
Win7 SP1 64bit
MS Visual Studio 2010

Please provide any additional information below.
"P4 set" returns the proper "ssl:perforce-server-thingy:1666"
useSystemEnv is set to True
preferVisualClient is set to False

If I set useSystemEnv to False it obeys my supplied port value of 
"ssl:perforce-server:1666" and Nifty works great! However I sometimes switch 
workspaces so this can be an annoyance.

Original issue reported on code.google.com by [email protected] on 1 Mar 2013 at 1:56