FMSLogo Code

Refactoring: Extract :position.list to remove code duplication

Inline rect. This reduces the procedure namespace pollution of POLYGONTEST.COMPLEX.

Inline band. This reduces the procedure namespace pollution of POLYGONTEST.COMPLEX.

Inline vecdiff and rewrite it in terms of MAP.
This reduces the procedure namespace pollution of POLYGONTEST.COMPLEX.

Inline vecsum and rewrite it in terms of MAP.
This reduces the procedure namespace pollution of POLYGONTEST.COMPLEX.

Inline sumsq and rewrite it in terms of MAP and APPLY.
This reduces the procedure namespace pollution of POLYGONTEST.COMPLEX.

Cleanup: Inline vecprod using MAP

Move the documentation for the bugfix of Bug #592 from README to CHANGELOG.
All changes now got documented in CHANGELOG and are copied to README at release time.

Reformat "band" so that it doesn't need line continuation (~)

Cleanup: Remove the need for assign.val