v1.3.4

ADDITIONS

             Custom function: Math.rand(min, max) 
	 provides a random integer between min and max, including min and max.

	 Math.rand(max)
	 provides a random integer between 0 and max, including 0 and max.

	 File.exists(filename)
	 checks if the file exists, returns a boolean: true or false.

	 File.read(filename)
	 reads the file, returns file contents.

	 File.write(filename, content)
	 writes the content on the file, if file dont exist creats one

	 File.append(filename, content)
	 appends the content on the file, if file dont exist creats one

String.prototype.substr

String.prototype.includes

Array.prototype.includes