Shrinkit file archives

.sdk files were previously supported, now .shk files are as well.

Applesoft line-wrapping

v1.55

wrapping finished

More Applesoft Xref

v1.54

tidying

More Applesoft options

v1.52

renamed constant

Applesoft preferences

v1.51

more preferences

General bug fixes

1.50

tidying

Allow empty pascal files

1.49

better empty file handling

Text file options

1.48

be nice

Bug fixes

Removed unsupportable exomizer file code.

Animation and Exomizer support

1.46

tidying