[LSC] Suggestion: take history out of part files

[Steve Bliss]

From: "William Howard" <william at howard-family.fsworld.co.uk>

> So, the only possible concern about "bloat" is LDraw server disk space

Really, the bigger concern is download speed.  Many people still use dialup, 
and the library download keeps getting larger over time...

Lars wrote:
> Can we see an example of bloat?

I will work on this.

Steve