Pizn idea board/Keyword functions


 * Keyword functions don't need parentheses as they always have only 1 param
 * deletes things
 * = Delete var "hi"
 * = Delete first item of array "hi"
 * Delete printed text
 * is just like in JavaScript - skips to the next rev of the loop. If it is already the last rev of the loop, then it acts just like.
 * ends the loop and starts it all over again, from the first rev.
 * makes a function return something and breaks out of the function. Also used to break out of a loop
 * Add an ID to a line by putting at the start of the line (for example,  main page
 * gets the content of a line by its line id, returns it as string
 * skips or goes back to interpret the given line by its line id