v0.2.0

• 61c3be4 Docs: Update README (@nzakas)
• 0b7f61d Chore: More refactoring (@nzakas)
• c009781 Chore: Refactor PledgeReactionJob (@nzakas)
• f1fa2df Update: Bring more in line with spec (@nzakas)
• bbb9d7f Fix: Remove call() function (@nzakas)
• 7b0d75d Update: Tweaks to implementation (@nzakas)
• 5ba13a1 Docs: Update README.md (#1) (@BlueGone)