#5 keystring handling in parseString establishes = as special

[Adam Lathers]

minor annoyance that the parseString method splits on the = in a
string which means that, for example DN strings need to be
handled specially. just a minor annoyance in all

[Tim Warnock]

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no DN strings need to be passed into CA plugin. For now
this bug will remain open, until there's a need to fix it.
Using the "=" as a special delimeter for a key=value syntax
adds much needed flexibility.