General:
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*

Client-side:
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* Fix generated KDSoapJob never emitting finished, when an RPC-mode reply is empty (and expected to be empty) (github issue 94)
* Add lastErrorCode() method for better error handling after sync calls.

Server-side:
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*

WSDL parser / code generator changes, applying to both client and server side:
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* Fix deserialization of optional lists (the associated nil variable wasn't set to false)
