Update for gitignore file
Modifiactions for algorithm
Image downloading process checked
Trying to download images in several threads. Not working
Multithread download. Readme update
Timestamp for every output
Prepairings for unit-testing via travis-ci.com
Fix for Travis test script
Readme update. Now with build status
Add coveralls support to travis
Add coverage badge to Readme file
Readme update. New part: Examples
Tests for function is_image()
Update travis.yml. Settings for coverage
Tests for check_dir()
In file_parser() except all exceptions at one line. Start() function now don't deal with sys.argv
Tests for open_text_file()
Test for file_parser()
If we failed to download image, remove it's empty container from folder
Tests for img_downloader()