Heavily changed format of nnarch: read and draw; allows to represent not only in/out labels including r+e+se, but in/out detailed speficication and limits
Commented not used op
Support for r+e+se; switching between r+e and r+e+se; call for new nnarch display proc with labels
+ r+e+se support; also new extended nnarch capabilities are used including new nnarch display proc