Lyric C++ Library 2.1.3

This 2.1.3 release of the Lyric C++ templated library fixes building problems on Solaris, some internal bugs, and C++ ambiguities.
Some new functionalities and classes have been added too.
It is recommended to switch to this release.
Lyric's home page is http://lyric.sourceforge.net.
Lyric is a templated C++ library for several platforms: Linux, Unix with gcc, Windows with MSDev.