Chief Clown

New Features:

• Added support for extracting decompilation using r2ghidra (closes #12)
• Added support for extracting PCode at both a function level and a basic block level.
• Added support for extracting local variable xrefs

Fixes:

• Fixing the depth-first search sampling for create single or pairs of esil/disasm.

Full Changelog: v0.2.8...v0.2.9