*_id methods may be supplied with all sensible options

[eizengan]

Adds the ability to supply all sensible options to the list calls underlying conversations_id and users_id. A couple considerations were made while creating this code:

• Supplying users_list with include_locale is useless since we will immediately throw away the added locale data when plucking and returning the user's id. As such, it has been excluded.
• Unlike the other parameters, team_id is not prefixed to avoid collision with parameters intended for parent calls (i.e. is not id_team_id). In fact, using the same team_id with the parent calls seems desirable; it means one cannot look up a user in one team and then look up conversations from that user id in another with e.g.

client.users_conversations(
  user: "@some-user",
  team_id: "T0123456",
  id_team_id: "T987654"
)

[coveralls]

Pull Request Test Coverage Report for Build 15907224173

Details

• 10 of 10 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.003%) to 90.388%

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Totals
Change from base Build 15900812463:	0.003%
Covered Lines:	5915
Relevant Lines:	6544

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💛 - Coveralls