#421 Tab titles containing dash are truncated

[Derek Ludwig]

Setting a tab title which contains a '-' character using a shell's builtin will cause the title to be truncated.

To reproduce:
1. Launch a new tab, using cmd.
2. Execute the following
> title has - a dash

Expected result:
Console - title has - a dash
Actual result:
Console - a dash

As of version 2.0.0.148