Guidata

Bug fixes:

* Fixed Spyder v4.0 compatibility issues.

Bug fixes:

* Fixed Spyder v3.0 compatibility issues.

Bug fixes:

* `FilesOpenItem.check_value` : if value is None, return False (avoids "None Type object is not iterable" error)

Bug fixes:

* Fixed compatibility issue with Python 3.5.1rc1 (Issue 32: RecursionError in `userconfig.UserConfig.get`)
* `HDF5Reader.read_object_list`: fixed division by zero (when count was 1)
* `hdf5io`: fixed Python3 compatibility issue with unicode_hdf type converter

Features:

* Added CHM documentation to wheel package
* hdf5io: added support for a progress bar callback in "read_object_list" (this allows implementing a progress dialog widget showing the progress when reading an object list in an HDF5 file)

Bug fixes:

* Python 3 compatibility: fixed `hdf5io.HDF5Writer.write_object_list` method
* data items:
* StringItem: when `notempty` parameter was set to True, item value was not checked at startup (expected orange background)
* disthelpers:
* Supporting recent versions of SciPy, h5py and IPython
* Fixed compatibility issue (workaround) with IPython on Python 2.7 (that is the "collection.sys cx_Freeze error")

Bug fixes:

* Fixed compatibility issues with old versions of Spyder (<v2.3)