updated collision tester to support an number of significant digits
updated collision tester to support an number of significant digits

berlinguyinca/spectra-hash,berlinguyinca/spectra-hash,sneumann/spectra-hash,sneumann/spectra-hash,berlinguyinca/spectra-hash,sneumann/spectra-hash,berlinguyinca/spectra-hash,sneumann/spectra-hash,berlinguyinca/spectra-hash,berlinguyinca/spectra-hash,sneumann/spectra-hash,sneumann/spectra-hash,sneumann/spectra-hash,berlinguyinca/spectra-hash,sneumann/spectra-hash,berlinguyinca/spectra-hash