fixes amDateFormat unixdatetime bug
fixes amDateFormat unixdatetime bug

if its number it will sent as string!

using this check: http://stackoverflow.com/questions/18082/validate-numbers-in-javascript-isnumeric
nicholasruggeri/angular-moment,masious/angular-moment-jalaali,saike/angular-moment,borkom/angular-moment,urish/angular-moment,Jeremy017/angular-moment,ackimwilliams/angular-moment,kpgarrod/angular-moment,masious/angular-moment-jalaali,felippenardi/angular-moment,leocaseiro/angular-moment,bluecitymoon/angular-moment