* Added HDF5 exporter
* CSV exporter gets (x,y,y,y) export mode
* Updates to SVG, Matplotlib exporter
* Console can filter exceptions by string
* Added tick context menu to GradientEditorItem
* Added export feature to imageview
* Parameter trees:
- Option to save only user-editable values
- Option to set visible title of parameters separately from name
- Added experimental ParameterSystem for handling large systems of
interdependent parameters
- Auto-select editable portion of spinbox when editing
* Added Vector.__abs__
* Added replacement garbage collector for avoiding crashes on multithreaded Qt
* Fixed "illegal instruction" caused by closing file handle 7 on OSX
* configfile now reloads QtCore objects, Point, ColorMap, numpy arrays
* Avoid triggering recursion issues in exception handler
* Various bugfies and performance enhancements
- Image exporter detects GraphicsView background color
- Corrected exporter filename handling for SVG export
- ViewBox no longer attempts to deregister itself while python is exiting
- Speedup for conversion using np.array(MetaArray_instance)
- GLGraphicsItem updates immediately when its GL options have changed
- Corrected some GL shader program bugs for nVidia drivers
- Fixed coordinate mapping bug in functions.transformCoordinates
- Fixed PySide import error
- ROI.getArrayRegion makes sure the ROI and image share the same scene
- Added a few binary operator methods to metaarray
- Fixed flowchart/eq.py handling of metaarray objects
