Additional wms fixes

[inforithmics]

Fixes this
#2119
#2130

[inforithmics]

Here in this Pull Request, I added an additional Optional Parameter, userAgent.

When you upgrade it still compiles but it is not binary compatible because you have to recompile it.
Should I add an overload with the old parameters. so that it stays Binary compatible ?

[pauldendulk]

When you upgrade it still compiles but it is not binary compatible because you have to recompile it.
Should I add an overload with the old parameters. so that it stays Binary compatible ?

Good enough when it is not breaking with a recompile.