Ensure utf8-encoded params contains only valid unicode. Otherwise nuke it.
Ensure utf8-encoded params contains only valid unicode. Otherwise nuke it.

moebooru/moebooru,moebooru/moebooru,moebooru/moebooru,nanaya/moebooru,euank/moebooru-thin,moebooru/moebooru,nanaya/moebooru,euank/moebooru-thin,euank/moebooru-thin,euank/moebooru-thin,nanaya/moebooru,nanaya/moebooru,moebooru/moebooru,euank/moebooru-thin,nanaya/moebooru