Sample POSCAR and VASP import script added: this needs to be folded into main program.
Don't forget to close the file!
Ignore comments intelligently -- avoids problems when the file doesn't contain a single-line header
Vasp structure format

Updated to VASP 5 format (extra species line)
Semantics

Minor changes
README formatting
Implemented optional arguments with optparse
README tweak
Update README.md
copyright info
Create license.md
Update README.md