Initial commit
Added add() method to insert new node
Added contains() to check if node val is in tree
Initial commit.
This is a script to test the binary tree node and other related classes.
Added getMax() to find largest val in tree.
Corrected getMax() return statement
Added getMax() option to script
Added option to find min val in tree
Added getMin() to find smallest val in tree
Added trivial version of toString().
This returns the value field and nothing else.
Added more complicated method to print tree string
Minor updates on the script
Added simple method to print the tree.
Added option for simple tree printing.
Tidied up output of simpleprint