Finished (Small change from & to &&)
Added toString() method.
Generalized "sizeof" method created for serialization.
Generalized "sizeof" method created for serialization.
Implemented toString().
Fixed swapped variables in toString() method and fixed misspelled function name.
Fixed not printing children in toString
Implemented a method to fill a Node to find it's maximum byte size for serialization.
More BTreeNode work. Current maxByteSize = 488.