EplModuleParallelPatterns doesn't produce stack traces on failure

[kolovos]

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Running this code with EplModule produces a complete stack trace as shown below:

Type 'Person1' not found
	at (unknown@4:10-4:17)
	at (unknown@3:0-8:1)
	at (unknown@4:10-4:17)
	at (unknown@3:0-8:1)

Running the same code with EplModuleParallelPatterns only produces the first line:

Type 'Person1' not found

Tentatively assigning to @SMadani as the original developer of EplModuleParallelPatterns.

[SMadani]

I've added a test to reproduce this (see #26). The stack trace is there, just a bit further down. I can't see an easy way to make this appear higher up without some massively hacky workarounds though.