doctoring are nice
[dhnet] import cleanup
[lalibre] added audio files extraction. import cleanup
[csxj_test_tools] compare TaggedURL lists equality using sets before doing per-item comparison in sorted lists

Because sometimes the exact same url can exist in several places, with different tags, and the and sorted list trick will not work
[ipm_utils] strip titles
[test_lalibre] added link extraction test suite for lalibre.py