TimeParser into i64. Generic argument across create_reminder. Some more work on natural inc. splitting off first args and calling the subprocess

dp.py

@@ -0,0 +1,13 @@
+import dateparser
+import sys
+import pytz
+from datetime import datetime
+
+dt = dateparser.parse(sys.argv[1], settings={
+    'TIMEZONE': sys.argv[2],
+    'TO_TIMEZONE': sys.argv[3],
+    'RELATIVE_BASE': datetime.now(pytz.timezone(sys.argv[2])).replace(tzinfo=None),
+    'PREFER_DATES_FROM': 'future',
+})
+
+print(dt.timestamp() if dt is not None else -1)