Release v1.0.1507

Release version v1.0.1507

Metacello new
    baseline: 'GToolkitForPharo9';
    repository: 'github://feenkcom/gtoolkit:v1.0.1507/src';
    load

All commits (including upstream repositories) since last build:
https://github.com/feenkcom/gt4llm/commit/c5a013 by Veit Heller
Re-add Wardley map LLm integration