start l20n.php API
add .travis.yml
start Parser & Compiler implementation
remove some unused code & declare a forgotten class member
(Catalog::compiler)
code cleanup
implements getting basic entities values + attributes, hash + hash
named element / default element & expander
fix Unary expression operator reading
fix Hash::evaluate edge case
tell travis to run 'bower install' before running tests
tell travis to install bower before 'bower install'
not compatible with HHVM

> HipHop Fatal error: Uncaught Hoa\Core\Core::__construct(): (0) The URL
> scheme hoa:// is not authorized by Suhosin. You must add this to your
> php.ini or suhosin.ini: suhosin.executor.include.whitelist="hoa",
> thanks :-).
handle relative reference (this keyword : ~)

detect cyclic references & some refactoring
remove dead code & some refactoring
fix exception chaining in expander
remove dead code
store compiler data on context bag insted of context itself
make scrutinzer happy
add support for complex strings & refactoring
replace lol by l20n
reorder catalog tests