1/ Fix segfault if camera disconnected before calling get_storageinfo.
1.8.3
1/ Fix Qt5 usage in examples (thanks fatzh). 2/ Handle GP_EVENT_FILE_CHANGED (new in libgphoto2 2.5.17). 3/ Allow Python threads during gp_camera_init.
1.8.2
1/ Fix bug in v1.8.1 that caused installation problems on some systems.
1.8.1
1/ Logging callbacks now pass 'bytes' objects in Python3. 2/ Increased number of functions allow other Python threads to run.
1.8.0
1/ The 'context' parameter is now optional for most functions. 2/ Some deprecated functions have been removed. 3/ Improved documentation of many functions. 4/ Substantial rework of logging callback processing.