Implement conditional update of permissions tables based on HTML comment command (#282)

* Return after exception parsing YAML metadata

* Report when a set of request URLs do not have the same set of permissions

* Report when the number of HTTP requests blocks are more than the number of permissions tables.

* Implement additional properties in the permissions HTML comment

* Update failing tests

* Apply suggestions from code review

Co-authored-by: Andrew Omondi <[email protected]>

* Update the comparison between newPermissionFileContents and requestPermissions to ignore case differences.

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Co-authored-by: Andrew Omondi <[email protected]>

Author: millicentachieng