ver 2.0.1.0

- added UnreadLog parametar in MainLoop() fn
- added UnreadLog and UnreadLog_last items in S_DEVICE class (Structure) 
- works with libs ver 4.8.0
- added dll ver 4.8.0 in lib folder

git-svn-id: svn://192.168.1.162/sw_open/ais_readers/python/examples/trunk@4 0228885a-6ad7-41a9-bcf9-d0ec016d0fc8