Fixed undefined layers

Catching RECORD=13 with missing coordinates

Detecting too many circular references to prevent out-of-memory

Adding Funding link

Removed warnings for empty NAMEs of labels

Added a converter for a whole project

Made the boolean values ASCII

Added support for binary values, more verbose overflow

Merge pull request #128 from IJeffray/master

Not every trace is net 1 - we already have the net number, so use it.

Active low lines with A\B\C\ annotation in Altium need to be converted to ~ABC format for KiCad otherwise KiCad can't even load the file as it's unhappy about "A\" as it sees it as an undterminated string.

Added support for KiCad6 ARCs.

Reverted the wrong fix for net_names

Fixed net_names

Escaped quotes