Started work on xm song loader/saver.
Changed readString and writeString to stringReader and stringWriter respectively, changed amigaSong amigaSample to use the new api.
Working on loader for xm files.
generalized sample class, removed limitation vars to facilitate saving in a different format than the one loaded.
Altered amigaSample.js to use the new sample api.
Generalized Song  to facilitate multiple formats.
Updated amigaSong to use the new Song api. Updated utils.js with more universal functions to convert from/to amiga effect.
Devided amigaSample and amigaSong into 3 files, names self-explanitary. readAmiga.js, writeAmiga.js, amigaUtils.js, amigaUtils.js. Also moved conversion from/to amiga effect to amigaUtils.js from utils.js.
Updated wtloader.js and count.sh to use the new files and not use the old ones.
Updated songPlayer to use the new functionality.
Updated WebTracker.js to use the new api.
bug fixes.
Indented and fixed missing }.
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indented files.