In custom metaclasses, always use super() to call the base __new__ implementation.
(This ensures that the metaclass can be used in a multiple inheritance hierarchy.)
Merge branch 'opPixel'
imgFilters Rewrite: OpPixelFeaturesPresmoothed: Two bug fixes and an optimization.
- Fixed bug that could cause Features[i] outputs to have no meta.description
- Fixed a bug in propagateDirty
- Slight optimization: Resize Features only once in setupOutputs to avoid numerous callbacks.
imgFilterRewrite: OpPixelFeaturesPresmoothed: Added warnings to show what needs to be fixed to enable multi-thread support.
imgFilterRewrite: Added performance warnings.
graph.py: Raise an exception if the user tries to connect an input from within __init__ of an operator that is inside a wrapper.
Readme.md: updated travis link after repo rename
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