Fix b58 encode bug

bwb/common.py

@@ -71,7 +71,7 @@ class common:
         return False
 
     def to_b58(self, text):
-        return 'l' + base58.b58encode(text).decode()
+        return 'l' + base58.b58encode(text.encode()).decode()
 
     def from_b58(self, text):
         if not text.startswith('l'):

setup.py

@@ -5,7 +5,7 @@ with io.open('README.md', encoding='utf-8') as fh:
     long_description = fh.read()
 
 setuptools.setup(name='bwb',
-    version='2.0.0',
+    version='2.0.1',
     description='bwb',
     long_description=long_description,
     long_description_content_type='text/markdown',