Update to version 0.5.7

Author: a-maliarov

amazoncaptcha/__version__.py

@@ -1,7 +1,7 @@
 __title__ = 'amazoncaptcha'
 __description__ = "Pure Python, lightweight, Pillow-based solver for the Amazon text captcha."
 __url__ = 'https://github.com/a-maliarov/amazoncaptcha'
-__version__ = '0.5.6'
+__version__ = '0.5.7'
 __author__ = 'Anatolii Maliarov'
 __author_email__ = 'tly.mov@gmail.com'
 __license__ = 'MIT'