Merge pull request #279 from sCrypt-Inc/pump_compiler_1.20.0 Pump compiler to 1.20.0

pump version 

Merge pull request #278 from sCrypt-Inc/fix_dep Fix dep

Merge pull request #277 from sCrypt-Inc/bsv update dependencies

Merge pull request #276 from sCrypt-Inc/bsv Bsv

upgrade nyc 

Merge pull request #270 from sCrypt-Inc/use-scryp-bsv Use scryp bsv

Merge pull request #268 from sCrypt-Inc/up_bsv Up bsv

Merge pull request #264 from sCrypt-Inc/pump_compiler pump compiler

Merge pull request #263 from sCrypt-Inc/bsv-types Add missing functions for Point and Signatures