ConnectorX 0.2.3

Features

• Add Google BigQuery as source #152 - need benchmark and more tests
• Add windows trust_connection for mssql #145
• Support Postgres HStore (only for cursor protocol) #174

Others

• Investigate SQLite in-memory database #172
• Add redshift to connection uri automatically use cursor protocol #187
• Test on mariadb #193
• Test on azure sql database