add: complete documentation

fix: unused options in redis
fix: compatibility between python 2-3
fix: forgot vars declarations
fix: carry conditions in listing redis keys
fix: listing redis list keys
fix: removed duplicated tasks when they are listed
fix: index number when redis DB are listed
fix:  some error levels in log
fix: renamed *proc* -> *tasks* files
fix: added the process manager backend for 'tasks' options, thinking in future  to add new process managers

setup.py

@@ -25,15 +25,15 @@
 
 from os.path import dirname, join
 from setuptools import setup, find_packages
+from .enteletaor_lib.config import __version__
 
 # Import requirements
 with open(join(dirname(__file__), 'requirements.txt')) as f:
     required = f.read().splitlines()
 
-
 setup(
     name='enteletaor',
-    version='1.0.0',
+    version=__version__,
     install_requires=required,
     url='https://github.com/cr0hn/enteletaor',
     license='BSD',