samvermette/SVPullToRefresh — pull request #28 by chapados (2012-06-19 18:24:22+00:00)
Title: Fix early-exit condition in -stopObservingScrollView

This bug was introduced when converting the boolean flag from an ivar
to a property.

See comment by @jparise:
https://github.com/chapados/SVPullToRefresh/commit/8e1799b2b21cda0881f7d6636ca7b4be504cd8b4#commitcomment-1477891