Warn on use of long suffix (E1606).

* Per PEP 237, the long suffix is useless in Python2.7+,
  and illegal syntax in Python 3.0+.
Drop long suffixes.
Merge pull request #1141 from Renelvon/no-long-suffix

Strip long suffix from integers.
c0103 fixes in db_store and datastore

Conflicts:
	node/market.py
	node/transport.py

fixed bug

fixed missing changes