Initial refactoring of wdl
add test for async add of facts and relations
test async
new test for async updates + no more changes in $LOAD_PATH to respect gems recommendation: require with namespace WLBud corresponding to the directory
add support for gem
minor before new version for rules with variable
changes in wlgrammar for list of atoms
minor
huge refactoring to clean parse program and grammar
minor cleaning and testing for wlprogram STABLE
problem of async communication detected and enclosed but not solved see TODO about reliable communication in wlbud_log
minor
some modification for ruby 1.9.3 but I detected some errors in test about string.first only in 1.9.3 also ide-debugger is not working in 1.9.3
add gitignore files
minor
small fix does not change input argument
bug fux for sanitize in WLTools and function in addition to procedure
minor + grammar improvement + test program improvement
minor