Removes padding at the beginning of each text's line
@param {String} text
@param {String} pad
function(text, pad) {
			var lines = this.splitByLines(text);
			for (var i = 0; i < lines.length; i++) {
				if (lines[i].search(pad) == 0)
					lines[i] = lines[i].substr(pad.length);
			}
			
			return lines.join(this.getNewline());
		}