[GRMustacheFilter filterWithBlock:] and [GRMustacheFilter variadicFilterWithBlock:] do not accept nil block any longer
[GRMustacheFilter filterWithBlock:] and [GRMustacheFilter variadicFilterWithBlock:] do not accept nil block any longer

ipmobiletech/GRMustache,lumoslabs/GRMustache,samdeane/GRMustache,sdonly/GRMustache,lumoslabs/GRMustache,lumoslabs/GRMustache,ipmobiletech/GRMustache,groue/GRMustache,sdonly/GRMustache,mz2/GRMustache,mz2/GRMustache,saim80/GRMustache,mz2/GRMustache,samdeane/GRMustache,sdonly/GRMustache,saim80/GRMustache,ThesaurusSoftware/GRMustache,groue/GRMustache,ThesaurusSoftware/GRMustache,saim80/GRMustache,samdeane/GRMustache,groue/GRMustache,ThesaurusSoftware/GRMustache,ipmobiletech/GRMustache