using correct dirname when adding cwd to sys.path in wakatime-cli.py

fixes to wakatime package to allow directly importing.
don't add duplicate handlers to logger in log.py.

wakatime-cli.py

@@ -14,7 +14,7 @@ from __future__ import print_function
 
 import os
 import sys
-sys.path.insert(0, os.path.abspath(__file__))
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 import wakatime
 
 if __name__ == '__main__':

wakatime/__init__.py

@@ -33,6 +33,7 @@ except ImportError:
     from urllib.error import HTTPError
     from urllib.request import Request, urlopen
 
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 from .log import setup_logging
 from .project import find_project
 try:
@@ -52,6 +53,10 @@ class FileAction(argparse.Action):
 
 
 def parseArguments(argv):
+    try:
+        sys.argv
+    except AttributeError:
+        sys.argv = argv
     parser = argparse.ArgumentParser(
             description='Wakati.Me event api appender')
     parser.add_argument('--file', dest='targetFile', metavar='file',

wakatime/log.py

@@ -63,6 +63,9 @@ class JsonFormatter(logging.Formatter):
 
 
 def setup_logging(args, version):
+    logger = logging.getLogger()
+    if len(logger.handlers) > 0:
+        return logger
     logfile = args.logfile
     if not logfile:
         logfile = '~/.wakatime.log'
@@ -77,7 +80,6 @@ def setup_logging(args, version):
         plugin=args.plugin,
     )
     handler.setFormatter(formatter)
-    logger = logging.getLogger()
     logger.addHandler(handler)
     level = logging.INFO
     if args.verbose: