Fix #15: Stop ignoring count filters on search2
Add JSON pretty print outputting
Add getArtist call, related to enhancement #16
Add getAlbum call, enhancement #16
Add xml template for getAlbum call, #16
Add xml template for getArtist call, #16
Update api version descriptor to 1.8.0 , #16
Fix missing 'public' in getAlbum function
Fix incorrect description of getAlbumSongCount
Add getArtists call, #16
Do not extend base media collection

For now it is not necessary to extend the base media collection
for the extra media lib.
Fix search too strict constraints

There's no reason to strip special chars from the search or impose
a >4 chars limit.
Fix parse error in getArtist and getAlbum call

explode(something)[pos] is incorrect in some PHP versions.
JSON_PRETTY_PRINT not available in PHP < 5.4.0
Add not implemented error when call does not exist
Allow offsets on search2 call
Return an empty string on search2 when no result is available
Add a wrapper around search, to support versions

Subsonic has version 1, 2 and 3 of search
Add (empty) handler of search (v1) and search3
Remove trailing spaces (damnit)