Some performance benchmarking for take vs limit

Also added a dummy progress bar during insert of records so it shows something is happening.
**Performance report**

          Model.take     6198.9 (±13.4%) i/s -     121743 in  20.042671s
          Model.take!     6173.6 (±13.6%) i/s -     121242 in  20.057006s
          Model.all limit(100)      107.8 (±15.8%) i/s -       2106 in  20.022316s
          Model.all take(100)      105.2 (±15.2%) i/s -       2061 in  20.062509s