Merge pull request #95 from renproject/fix/delete-old-syncs

Delete expired pending sync requests

Merge pull request #94 from renproject/fix/sync-old

Sync not using local content

Merge pull request #93 from renproject/fix/nil-hint-panic

fix nil point

Merge remote-tracking branch 'origin/release/0.6.0' into feat/receiver

Merge pull request #88 from renproject/feat/remove-error-logs

Feat/remove error logs

Merge pull request #87 from renproject/fix/dht

Fix a potential panic in dht.

Merge pull request #86 from renproject/feat/add-peer-expiry

Peer expiry

Merge pull request #41 from renproject/feat/simplify-builder

Remove custom TCP server overrides

Merge pull request #38 from renproject/fn/tcp-options

TCP opts in builder | content type in Hash

Merge pull request #37 from renproject/fix/remove-cast-insertion

Do not force insertion when casting/broadcasting content