v0.4.8

• chore(docs): add reference to modify-master tests b6f90aa
• feature(master): add modifier for slide master background image relation target #86 8bd3dbe
• feature(master): add modifier for slide master background color #86 d3bc762
• fix(image): include <p:bg> parent when matching rId b63f14a
• chore(image): optionally add prefix on loadMedia to avoid naming conflicts f3b17ab
• chore(doc): add tipp to create custom modifier #86 f4f7570
• chore(docs): add some troubleshooting tipps 4507e0d
• chore(docs): update toc 243947c
• chore(docs): add troubleshooting; modify master image b72883b

v0.4.7...v0.4.8