feat(GenericApi): add PingAsync

feat(Resolve): recursive is now the default, fixes #58

chore(CI): installing go-ipfs is not working

Merge pull request #53 from richardschneider/core-api-52

feat(BitswapApi): add LedgerAsync

feat: Implement IBlockRepositoryApi

Merge pull request #52 from richardschneider/core-api-50-0

Upgrade to core api v0.50.0

fix(FileSystemApi): immediately report progress

fix(FileSystemApi): remove debug code

feat(FileSystemApi): add progress reporting

feat: support file encryption