Cleanup dependencies and fix documentation #235

Job	Run time
Documentation	0s
Render README	0s
Validation	0s
Links / Validate Links	3s
Code Coverage / Test Coverage	12m 8s
Check / (release)	25m 43s
Lint / Lint	17m 55s
Check / (devel)	1m 2s
Man Pages / Roxygen	12m 41s
Code Style / Code Style	3m 49s
Check / (oldrel)	13m 51s
Code Coverage / Generate badge for coverage	4s
	1h 27m 16s

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