Tracking improvements postponed in PR #61

[pklaschka]

This issue serves to track all items that came up in the code review of #61 which were deemed out of scope for that PR (and/or not fixable in time for the release) but should be fixed in the near future:

• [ ] #70
• [ ] #71
• [ ] #72
• [ ] #73
• [ ] #74
• [ ] #75
• [ ] #76
• [ ] #77
• [ ] #78
• [ ] #79
• [ ] #80
• [ ] #81
• [ ] #82
• [ ] #83
• [ ] #84
• [ ] #85
• [ ] #86