Prevent segfault; final(?) commit in v2 branch

Fix broken anchors tool (this is now v1.1.1b2)

[version bump] MFEKglif v1.1.1-beta1 — “Metafontverse”

See GitHub relases page for more info.

Version 1.1.0-beta2

Allow images tool to delete images

Version 1.0.1a

Finalize merge of `layers` branch

Closes #5.
Closes #8.
Closes #12. (src/tools/pan.rs documents Tool struct)
Closes #13.
Closes #21.
Closes #27.
Closes #64.
Closes #100.