Mentioning Cocoapods installation instructions
Delete MSWeakTimer.podspec
Revert "Delete MSWeakTimer.podspec"

This reverts commit 911c4467409d4845999f105c8cf2f2299df84d39.
Providing a normal init method that doesn't immediately schedule the timer.
Added a tolerance property like the one on iOS 7 / Mac OSX 10.9, implemented using the leeway API on GCD.
Version 1.1.0
Updated version on the README
Fixing podspec
Changing typeof(self) for MSWeakTimer* to fix a compile error for a user since it's equivalent anyway (Fixes #6)