1.1.0

• added double-word integer arithmetic(dwa) library
• fixed small bugs

1.0.0

• added a mode to retain unrecognized options
  • replaced opt_extend() with opt_reinit()
• added static target to build only static libraries
• fixed several bugs

0.4.0

• adjusted soname from 1.x to 0.4 to match release version
• added facilities for beluga
  • opt_extend() allows a separate module to add options
  • opt_ambm[] and opt_ambmstr() provides possible matches for an ambiguous option
• use gcc instead of ld for building libraries
• updated documentation

0.3.1

• added opt_val()
• changed directory structure
• use markdown for documentation instead of doxygen
• fixed small bugs

0.3.0

• added bit-vector
• added an additional API for stack
• changed project name
• refined documentation
• fixed small bugs

0.2.1

Initial public release