fixed and improved next/prev functions
increased level of allowable luminance of dark colors
register "moving" event + changes in $.callObservers
added Event.prototype.getOffsetOf
some minor fixes
upload an early version of README file
update README.md
update README.md
some improvements
fixed $.scripts.require

there were cases when the function was called several times
[Array] improved "remove" by adding a second argument
[Array] added "put" method
[HTMLElement] added "insertAt"
added RequireJS support
added "animated" state
a lot of changes in $.scripts
added Array.prototype.unique polyfill
added Array.prototype.reduce polyfill
added Function.prototype.bind polyfill
improved Event.prototype

added functions: hasModifierKey, getKeyCombination