import pgp key implementation (#17)

* import pgp key implementation

* do not ask confirmation for local sign. Also add argparser test

* superseed requests by python-aur package

* ...and drop --skippgpcheck makgepkg flag by default

setup.py

@@ -29,6 +29,7 @@ setup(
     install_requires=[
         "aur",
         "pyalpm",
+        "requests",
         "srcinfo",
     ],
     setup_requires=[
@@ -89,7 +90,6 @@ setup(
             "Jinja2",
             "aiohttp",
             "aiohttp_jinja2",
-            "requests",
         ],
     },
 )