More work on WOCommon

Created 8/15/2006, updated 3/12/20241 minute read

Pulled my NSString category out of WODebug and moved it into WOCommon, splitting it into several categories along the way to allow for finer-grained inclusion: WOEmailUtilities, WOFileUtilities, WOTaskUtilities and WOURLUtilities.

Also moved the WOLogManager, WOObject and WOSingleton classes.

In doing all this I was able to clean up the code along the way and make it more robust in places. I also revisited my singleton implementation in light of my latest ramblings on memory barriers and double-checked locking and I think the implementation is now about as solid as it can possibly get.

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