docs: update roadmap and task tracking

- README: update feature list
- ROADMAP: add completed features, update priorities
- TODO: mark completed tasks, add new items
- config.ini.sample: update example values
- http2: minor cleanup

http2.py

@@ -159,7 +159,7 @@ class RsHttp():
 		if postdata != '':
 			s += postdata
 		if self.debugreq:
-			print ">>>\n", s
+			print(">>>\n", s)
 		return s
 
 	def _make_head_request(self, url, extras=None):
@@ -268,7 +268,7 @@ class RsHttp():
 				res = res.decode(charset)
 
 		if self.debugreq:
-			print "<<<\n", s, res
+			print("<<<\n", s, res)
 
 		return (s, res, redirect)
 
@@ -377,7 +377,7 @@ class RsHttp():
 			l = self.conn.recvline().strip()
 			s += l + '\n'
 			if l == '': break
-		if self.debugreq: print "<<<\n", s
+		if self.debugreq: print("<<<\n", s)
 		return s
 
 	def head(self, url, extras=None):
@@ -433,7 +433,7 @@ if __name__ == '__main__':
 	http = RsHttp(host=host, port=port, timeout=15, ssl=use_ssl, follow_redirects=True, auto_set_cookies=True)
 	http.debugreq = True
 	if not http.connect():
-		print "sorry, couldn't connect"
+		print("sorry, couldn't connect")
 	else:
 		hdr  = http.head(uri)
 		hdr, res = http.get(uri)