Fix for #212 and further improvements

[thouska]

Adds a final status output statistic
Removes alt_objfunc Keyword

[coveralls]

Pull Request Test Coverage Report for Build 723

• 331 of 338 (97.93%) changed or added relevant lines in 18 files are covered.
• 40 unchanged lines in 8 files lost coverage.
• Overall coverage decreased (-7.7%) to 83.744%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
spotpy/unittests/test_analyser.py	99	100	99.0%
spotpy/algorithms/_algorithm.py	75	77	97.4%
spotpy/algorithms/sceua.py	15	19	78.95%

Files with Coverage Reduction	New Missed Lines	%
spotpy/unittests/test_analyser.py	1	97.01%
spotpy/algorithms/sceua.py	1	89.19%
spotpy/algorithms/rope.py	1	93.58%
spotpy/algorithms/dds.py	1	94.59%
spotpy/analyser.py	2	89.98%
spotpy/algorithms/_algorithm.py	3	88.79%
spotpy/algorithms/dream.py	6	89.22%
spotpy/parallel/mproc.py	25	0.0%

Totals
Change from base Build 685:	-7.7%
Covered Lines:	4925
Relevant Lines:	5881

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💛 - Coveralls