Preliminary work for a curses-based Solitaire implemntation.
Added a Stack module for history handling.
Begun removing old constants.
Updated Doxygen's first page documentation; Stack will be documented in English.
Added the GUI module and reorganized project directory strcture.
Corrected includes so the app compiles normally.
Deleted obselete stuff.
Various adjustments to GUI.
Wrote README.md for GitHub.com
Various code improvements and README.md typos correction
Corrected an error in README.md
Updated documentation for the Stack and coordutils modules.
Added .travis.yml for automated build on Travis CI.
Added the build status PNG from Travis CI into GitHub's README.md.
Corrected an issue in Makefile.
Worked on the runtime messages in GUI.
Corrected issues with runtime message.
Added functional history.
Updated documentation.
Various bug fixes
Added a command to display in-game help
Removed useless pointers to curses' window in function prototypes.
Added an indication on the number of remaining pawns.
Improved detection of game ending (win / lost).