added global variables for figures and axes (plots). changed handling of highligts: now an 'add-function', works on lists of axes. concept of 'add-functions' can be easiliy extended. 'show()' is now optional in plotting.
added global variables for figures and axes (plots). changed handling of highligts: now an 'add-function', works on lists of axes. concept of 'add-functions' can be easiliy extended. 'show()' is now optional in plotting.

venthur/wyrm,bbci/wyrm,venthur/wyrm