v3.7.1 (major bug fix)
fix unsigned BigInteger and BigDecimal abi decoding fail with exception signed value given for unsigned type
for values that have the leftmost bit set (e.g. uint64 0x8000000000000000);
raise max array length on abi decode from 64000 to 2^17 - 1 (DoS protection);
SHA-256 (headlong-3.7.1.jar): 6f770d9aeca927a6a0714d4742fbf55c2e4e560d96dd95a2de869e054d2df8b9