+ * Outputs a pseudo-randomly generated nucleotide or peptide alignment
+ * Arguments:
+ * <ul>
+ * <li>n (for nucleotide) or p (for peptide)</li>
+ * <li>length (number of bases in each sequence)</li>
+ * <li>height (number of sequences)</li>
+ * <li>a whole number random seed</li>
+ * <li>percentage of gaps to include (0-100)</li>
+ * <li>percentage chance of variation of each position (0-100)</li>
+ * <li>(optional) path to a file to write the alignment to</li>
+ * </ul>
+ *