Fixing review comment calculations

[TooAngel]

The pull request review state is in lower case, which prevents from
calculating correctly.

Fixes #162

[worlddrivenbot]

This pull request will be automatically merged by worlddriven in 0 days and 16 hours.
The start date is based on the latest Commit date / Pull Request created date / (force) Push date.
The time to merge is 5 days plus 5 days for each commit.
Check the worlddriven status check or the dashboard for actual stats.

To speed up or delay the merge review the pull request:

1. 
2. 

• Speed up:
• Delay or stop:

[worlddrivenbot]

Thank you for the review.
This pull request will be automatically merged by worlddriven in 0 days, votes 166/178.

Check the worlddriven status checks or the dashboard for actual stats.

[TooAngel]

This pull request was merged by worlddriven.