Added fold change to mutants api, removed added date from mutants api.
Added fold change to mutants api, removed added date from mutants api.

protwis/protwis,fosfataza/protwis,cmunk/protwis,protwis/protwis,fosfataza/protwis,fosfataza/protwis,protwis/protwis,cmunk/protwis,fosfataza/protwis,cmunk/protwis,cmunk/protwis