Make method to download comments for a certain period of time (XML)

[RTyy]

Method should return XML document with either:

• list of comments posted by specified user
• list of comments were posted to a specified instance limited by period of time.

Time could be specified as a two timestamps (start and end). Initial response shouldn't depends on amount of resulting data.

[RTyy]

Need to make additional research stuff.

[RTyy]

8h