Pbo by sbsmac
Pbo is a command-line tool to manipulate pbo files.
Basic Capabilities
Search for and list files within a pbo
Add or remove files from a pbo
Extract individual files or the entire contents of a pbo
Create a new pbo from a folder
Unrap config.bin files inside a pbo to config.cpp before extraction
Extract all pbos within a folder
Unrap all config.bin files within all pbos in a folder
Download here