dump-map (ASCII) Invitation for comments

[Mskvaer]

So, I did it - or rather - tried it. Writing a mod. First encounter with LUA, too. So, it probably has multiple issues ranging from code style to dangerous code segments. I know it is ineffcient as hell, probably due to lack of experience with the LUA paragdim/Factorio structures.

"dump-map" - trying to solve my problem with viewing "large" maps, suitable for printout and scribbling on.

Constructive comments welcome