Anton Kaliaev 0b22b27bbb
avoid infinite recursion by proxying to iterator
```
WARNING: staticcheck, gosimple and unused are all set, using megacheck instead
db/go_level_db.go:126:15⚠️ infinite recursive call (SA5007) (megacheck)
db/go_level_db.go:135:17⚠️ infinite recursive call (SA5007) (megacheck)
db/mem_db.go:106:2⚠️ redundant return statement (S1023) (megacheck)
```

https://circleci.com/gh/tendermint/tmlibs/220

Also remove unnecessary return statement
2017-10-17 11:01:46 +04:00
..
2017-04-18 17:56:05 -04:00
2017-09-28 17:35:01 +02:00
2017-04-18 16:33:35 -04:00
2017-09-26 15:29:51 -06:00
2017-04-18 16:33:35 -04:00

TODO: syndtr/goleveldb should be replaced with actual LevelDB instance