inboxMode on steroids

Fixed stupid bug with args["created"] != nil || args["all"] != nil (bool always not nil)

Moved inbox operations to goroutines,
Before:
```
real	0m0.989s
user	0m0.024s
sys	0m0.009s
```

After:
```
real	0m0.539s
user	0m0.025s
sys	0m0.009s
```