Use multiplatform big numbers#96

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fullkomnun wants to merge 8 commits intokomputing:masterfrom

fullkomnun:use_multiplatform_big_numbers

Commits on Feb 9, 2021

add "com.ionspin.kotlin:bignum-jvm" dependency to all submodules
fullkomnun
committed
replaced all usages of java's BigInteger/BigDecimal with a multiplatform implementation (except for java crypto implementations)
fullkomnun
committed

Commits on Feb 12, 2021

using version '0.2.8-SNAPSHOT' of 'com.ionspin.kotlin:bignum' with bug fixes
fullkomnun
committed
kotlin's BigInteger::toByteArray requires removal of leading zero bytes
fullkomnun
committed

Commits on Feb 13, 2021

using an updated 'kethabi' - all tests pass
fullkomnun
committed

Commits on Feb 14, 2021

Merge branch 'master' into use_multiplatform_big_numbers
fullkomnun
authored

Commits on Feb 15, 2021