Gogo does not handles options but not parameters
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                 Key: FELIX-2894
                 URL: https://issues.apache.org/jira/browse/FELIX-2894
             Project: Felix
          Issue Type: Bug
          Components: Gogo Runtime
            Reporter: Peter Kriens


If you create a function with a parameter then the correct method cannot be 
found:

public void xyz( @Parameter( names="-v", absentValue="absent") String string ) 
{ return string; }

This method is not found for xyz -v abc

There were two bugs in the code:

- annotation values can never be null but null was checked for the presentValue 
to see if it was not there.
- After handling the parameters the new length of the command line was checked 
against the xargs. However, this still contained the parameter name + value. So 
the size was too high to match.

I've added a check for the Parameter.UNSPECIFIED when checking the status of 
presentValue and I removed the check for the length of xargs, only types is 
relevant I think. However, might need some other pair of eyes


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