Add failing test for #1238
Check for disposal before binding to new signals
Test without unnecessary operators
Remove explicit count variable
Use a weak reference to recurse.

This may have been a false positive from the Leaks instrument, it’s not 100% clear, but it is at any rate convenient to resolve.
Add test case based on #1238
Fix some typos
Fix code style in README.md
Merge pull request #1242 from ReactiveCocoa/bind-fix

Prevent -bind: from further subscriptions following synchronous error
Merge pull request #1255 from ikesyo/fix-typos

Fix some typos
Tidy up and document control flow a little better.
Merge pull request #1249 from ReactiveCocoa/leak-or-false-positive

Use a weak reference to recurse.
Add import for UIRefreshControl+RACCommandSupport
Merge pull request #1269 from eightytwo/feature/import-uirefreshcontrol

Add import for UIRefreshControl+RACCommandSupport
Backport reimplementation of -aggregate: from 3.0-development
Minor code style fixes
Replace -objectAtIndex:, -objectForKey: with object subscripting
Third person singular present for comments in README
Minor code style fixes
++libextobjc