v0.4.6

What's Changed

• adding find input by nft function by @logicalmechanism in #77
• more tests, power mod got slightly better by @logicalmechanism in #78
• prefixes are now custom prefixes and cip68 moved to types/cip68 by @logicalmechanism in #79
• candidate for v0.4.6 by @logicalmechanism in #80

Full Changelog: v0.4.5...v0.4.6