Replace -objectAtIndex:, -objectForKey: with object subscripting
Third person singular present for comments in README
Minor code style fixes
++libextobjc
Merge pull request #1274 from ReactiveCocoa/libextobjc-update

++libextobjc
Merge pull request #1272 from ikesyo/readme-third-person-singular-present

Third person singular present for comments in README
Use dot syntax
Merge pull request #1271 from ikesyo/more-object-subscripting

Replace -objectAtIndex:, -objectForKey: with object subscripting