Release v0.0.2

Features:

• New GitBranch Struct (#39)
• Reading of Git Commits (#40)
• Packed Refs (#52)
• Git Blobs (#57)
• Git Trees (#59)
• Write Git Objects (#61)

Changes:

• Update Depedencies (#23, #24, #25, #26, #28, #29, #30, #31, #32, #33, #35, #36, #41, #42, #43, #44, #45, #46, #47)