Ape 0.4.3

Changes

• docs: fix web3 link and doc web3 prop @unparalleled-js (#973)
• fix: warning from using LegacyVersion @unparalleled-js (#971)
• fix: bug where plugin config would not update when default was empty dict @unparalleled-js (#972)
• test: ensure contract log str and repr work @unparalleled-js (#969)
• fix: handle repr on network API when no connected @unparalleled-js (#968)
• feat: track deployments @unparalleled-js (#961)
• docs: document differing web3provider behavior @unparalleled-js (#966)
• fix: the example scheme for networks @Ninjagod1251 (#963)

Special thanks to: @Ninjagod1251 and @unparalleled-js