Release v3.0.1 (Sapphire)

This release has minor tweaks, as well as changes to bbfcodec.cpp and bbfmux.cpp.

What changed

• Updated petrification logic so headers and footers of petrified BBF files can truly be read in one single read
• Fixed bugs in bbfcodec.cpp (#8 and #9)
• Fixed the --offsets option in bbfmux
• Changed the error log messages for bbfcodec.cpp to show [BBFCODEC] instead of [BBFMUX]
• Fixed a small typo in the windows memory mapping code

Full Changelog: v3.0.0...v3.0.1