Updated Request body to accept String, Bytes, IO or Nil#20

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naqvis wants to merge 5 commits intocrystal-community:masterfrom naqvis:master

+71-84

Commits on Jul 27, 2019

Updated Request body to accept String, Bytes, IO or Nil
naqvis
committed

Commits on Apr 12, 2020

Fixed version incompatibility issue
naqvis
committed

Commits on Apr 14, 2020

Fixed http connection issue
naqvis
committed

Commits on Jun 18, 2020