Rename `createFromResult()` to `createFromDbResult()`
Indent the HTML markup of the debug bar
Adjust some phpDoc comments and code formattings
Ensure a consistent use of `$strPk` and `$intPk` and rename `safeMerge()` to `mergeRow()`
Remove the irrelevant DB query result cache mentions from the UPGRADE.md file
Wrap up the `Model` class
Adjust the debug bar so there are no line-breaks on a 1024 pixel wide screen
Merge pull request #5 from leofeyer/feature/model-registry-develop

Feature/model registry develop