Refactoring pack (merged read+write methods of each engine into "actions" and much more).
+ Added JSHint project configuration, fixed code to match it.
+ Added JSHint runner as QUnit test (using `XMLHttpRequest` in browser and `fs` module in Node.js, so won't work locally). JSHint does not work in IE<9 but it's not smth we should be worried about.
+ Changed optional string encoding parameter from boolean to string.
+ Added tests for UTF-8 encoded strings.
Merge branch 'master' of git://github.com/vjeux/jDataView
Renamed action method to "private" _action (and _action to _engineAction).
Moved engine-dependent action implementations into prototype.
Update of README about 64-bit integers.
Indentation fix.
Merge pull request #52 from RReverser/master

Refactoring pack