Pathpol lib

This directory contains the sequence parser. The parser was generated by Antlr and stored in this git repository, in the sequence subdirectory. That way the project doesn't have a build dependency on Antlr tool. However, there's still the dependency on Antlr runtime library.

If sequence grammar (Sequence.g4) is changed the parser has to be regenerated. To do so, install Antlr on your machine, and run make in this directory.