Add feature to auto-update libs

libs/__main__.py

@@ -0,0 +1,20 @@
+
+import shutil
+import os
+import time
+import libs
+
+if __name__ == '__main__':
+    os.chdir(libs.LIB_DIR)
+    for lib, directory in libs.DIRECTORY.items():
+        if lib == 'custom':
+            continue
+        try:
+            shutil.rmtree(directory)
+        except FileNotFoundError:
+            pass
+        else:
+            print('Removed', directory)
+        time.sleep(10)
+        requirements = 'requirements-{name}.txt'.format(name=lib)
+        libs.util.install_requirements(requirements, file=True, path=directory)