Source maps

Inline, using gulp-sourcemaps.
Use provide getLength method for crawler v. 0.3.9
Reuse mongo connection

OMG, that was harder then expected.

Stil not working, but at least this seems ok.
Update item's status according to crawler events

In order to achieve that, the queue has to be aware of crawler,
so crawler is now passed as a second parameter to Queue constructor,
instead of name (crawler should have a name, or default will be used).
FIX: oldestUnfetchedItem didn't care for status

So same items were spooled multiple times.
0.1.0
Merge branch 'master' of github.com:lzrski/node-simplecrawler-queue-mongo

Conflicts:
	src/QueueItem.coffee