v10.3.1

Contributed:

• Ledger support for Ternoa (Thanks to https://github.com/mohsinriaz17)

Changes:

• Expand arrayChunk tests
• Adjust output for Ledger sanity checks
• Expand exported bigint constants to match with those in BN
• Adjust internal character maps to operate on Uint8Array instad of Array<number>
• Upgrade dependencies to latest stable versions