minor fixes

[coveralls]

Pull Request Test Coverage Report for Build 595

• 90 of 114 (78.95%) changed or added relevant lines in 3 files are covered.
• 7 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.1%) to 87.486%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
aiida_crystal17/parsers/raw/crystal_stdout.py	87	111	78.38%
<!--	Total:	90	114	78.95%	-->

Files with Coverage Reduction	New Missed Lines	%
aiida_crystal17/parsers/raw/crystal_stdout.py	7	86.59%
<!--	Total:	7		-->

Totals
Change from base Build 586:	0.1%
Covered Lines:	6075
Relevant Lines:	6944

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💛 - Coveralls