3.9.4-qa.0

Bug Fixes

• file exists check (94ca767)
• remove rogue console.log (e607a77)
• tests (5630d42)
• throw preemptive error if npm pkg does not exist (9f3c4bc)

Features

• add --silent flag to install (dbdb4df)
• add env var for yarn --network-timeout (699e926)
• compile github-installed plugins (88e9d02)
• configurable pluginPrefix (a071ef1)
• improved terminal output (aaab8ec)