Cosmetic changes to startup messages. Small changes to help file. Changed tile and xlm commands to use Hz as default units. Changed default feldir, tildir and limdir. Added comma-separated string of atom patterns as input arguments to commands like dxy, nxy, etc.
Pseudonyms are more informative, with residue and atom labels.
Added several tile features, including tile by HN atom, tile by residue, tile scaling, etc. Added tile2d menus and installation instructions to the distribution. Combinations for multiplicative alternation are produced using our friend recursion. Fixed bug with volume flag.