Version 0.5.4

Added two new functions:

• view
• sql

Changed config/connection.json:
from

{
  "enable":    false,
  "user":      "",
  "password":  "",
  "database":  "",
  "server":    "",
  "engine": {
    "pdo":        true,
    "mysqli":     false,
    "postgresql": false
  }
}

to

{
  "enable":    false,
  "user":      "",
  "password":  "",
  "database":  "",
  "server":    "",
  "engine": {
    "pdo-mysql":         true,
    "pdo-sqlite-memory": false,
    "pdo-sqlite-file":   false,
    "mysqli":            false,
    "postgresql":        false
  }
}