20 chain saw manuals added

Links to 20 more chain saw manuals, parts lists, and service manuals have been added to the site:

- Dingo Tools: 1 chain saw manual
- Earthquake: 1 chain saw manual
- Echo: 1 chain saw manual, 2 chain saw parts lists, 1 chain saw service manual
- Stanley: 1 chain saw manual
- Stihl: 3 chain saw manuals, 3 pole pruner manuals, 1 chain saw parts list, 1 pole pruner parts list, 1 pole pruner technical information manual
- Worx: 3 chain saw manuals
- Yardworks: 1 chain saw manual

26 more chain saw manuals added

26 more chain saw manuals and parts lists were added recently:

- Cutters Edge: 2 chain saw manual, 2 chain saw parts lists
- Dingo Tools: 2 chain saw manuals, 3 pole pruner manuals
- Holzfaller: 1 chain saw manual, 1 multitool/pruner manual
- Homelite: 6 chain saw manuals, 1 chain saw getting started guide, 7 chain saw parts lists
- Jon Cutter: 1 chain saw manual

Dingo Tools chain saw manuals

User manuals:
- Dingo Tools Power Plus Aero 62cc Chain Saw (2012)
- Dingo Tools Power Plus Aero 62cc Chain Saw (2013)
- Dingo Tools Power Plus 52cc Pole Pruner
- Dingo Tools Power Plus 52cc Pole Pruner 6M
- Dingo Tools Prowler 55cc Power Plus Chain Saw
- Dingo Tools Prowler 58cc Power Plus Chain Saw
- Dingo Tools Prowler Puppy 25cc Chain Saw
- Dingo Tools Ultralite 33cc Pole Pruner