v0.3.6

This is an incremental release to v0.3.5 and contains some important fixes.

What's Changed

• upgrade crypto lib version by @temaniarpit27 in #770
• bump dep : github.com/Masterminds/goutils to v1.1.1 by @0xsharma in #769
• security upgrades by @marcello33 in #772
• bump dependencies : golang.org/x/net to v0.8.0 by @0xsharma in #771
• Verify validator set against local contract on receiving an end-of-sprint block by @cffls in #768
• core/txpool: implement additional DoS defenses from geth by @manav2401 in #778
• hotfixes and deps bump by @marcello33 in #776
• packaging,params: bump to v0.3.6 by @Raneet10 in #782

Full Changelog: v0.3.5...v0.3.6