Lean

- Optimization estimate option in optimize command https://github.com/QuantConnect/lean-cli/pull/237
- Fix when cloud Api changes the project name during push https://github.com/QuantConnect/lean-cli/pull/236

- Fix project name validation regex https://github.com/QuantConnect/lean-cli/pull/235

- Correctly handle pulling libraries we do not have access to. See https://github.com/QuantConnect/lean-cli/pull/232
- Minor project name validation. See https://github.com/QuantConnect/lean-cli/pull/231
- Fix project rename during push/pull https://github.com/QuantConnect/lean-cli/pull/233
- Allow - and _ in project name https://github.com/QuantConnect/lean-cli/pull/234

- Minor fix for compiler See https://github.com/QuantConnect/lean-cli/pull/226

- Push log fix. See https://github.com/QuantConnect/lean-cli/pull/224
- library add case sensitivity fix. See https://github.com/QuantConnect/lean-cli/pull/223

- Add optional `--tickers` for data generate. Thank you for the contribution WillForan. See https://github.com/QuantConnect/lean-cli/pull/217
- Project naming improvement. See https://github.com/QuantConnect/lean-cli/pull/222