improve data on author_handle.json files

Updated URLs, Email addresses, GitHub handles,
Mastodon handles, and locations of various IOCCC winning authors.

author/Szymon_Rusinkiewicz.json

@@ -6,9 +6,9 @@
     "sort_word" : "rusinkiewicz",
     "location_code" : "US",
     "location_name" : "United States of America",
-    "email" : "smr@cs.stanford.edu",
-    "url" : "http://www-leland.stanford.edu/~smr",
-    "alt_url" : null,
+    "email" : "smr@princeton.edu",
+    "url" : "https://www.cs.princeton.edu/~smr/",
+    "alt_url" : "http://www-leland.stanford.edu/~smr",
     "deprecated_twitter_handle" : null,
     "mastodon" : null,
     "mastodon_url" : null,