Remove leading -- from arguments list

Fixes https://github.com/mhinz/neovim-remote/issues/17

bin/nvr

@@ -243,6 +243,11 @@ def main():
     if flags.l and neovim.is_attached():
         neovim.server.command('wincmd p')
 
+    try:
+        arguments.remove('--')
+    except ValueError:
+        pass
+
     # Arguments not consumed by flags, are fed to --remote.
     if arguments:
         neovim.execute(arguments, 'edit')

setup.py

@@ -16,7 +16,7 @@ setup(
     install_requires = ['neovim'],
     scripts          = ['bin/nvr'],
     packages         = [],
-    version          = '1.2.1',
+    version          = '1.2.2',
     license          = 'MIT',
     keywords         = 'neovim nvim nvr remote helper',
     classifiers      = [