Method convert

Encode the file using the BTreeFile's Insert method. @param tuples - list of tuples to add to the file @param hFile - the file to temporarily store the data as a heap file on disk @param bFile - the file on disk to back the resulting BTreeFile @param keyField - the index of the key field for this B

(ArrayList<ArrayList<Integer>> tuples, File hFile, 
			File bFile, int keyField, int numFields)