Reorder and Added missing databases

Readme.md

@@ -28,7 +28,7 @@ Database Abstraction Layer
     ...
     "require": {
         ...
-        "provm/database": "^2.0"
+        "provm/database": "^2.3"
         ...
     },
     ...
@@ -41,13 +41,13 @@ For `MySQL`/`MariaDB`
 
 Without `DI`
 ```
-$database new MySQL();
+$database new ProVM\Database\MySQL();
 $database->setHost(<host>);
 $database->setPort(<port>); // If diferent from 3306
 $database->setUsername(<username>);
 $database->setPassword(<password>);
 
-$connection = new Connection($database);
+$connection = new ProVM\Database\Connection($database);
 ```
 With `DI`
 ```
@@ -76,8 +76,20 @@ $rs = $connection->execute(<query>, <values>);
 ```
 Get data from ResultSet
 ```
-$data = $rs->getAsArray();
-$data_objs = $rs->getAsObject();
+$data = $rs->fetchFirst();
+$data_object = $rs->fetchFirstAsObject();
+$data_array = $rs->fetchAll();
+$data_array_of_objects = $rs->fetchAllAsObjects();
+```
+Use transactions
+```
+$connection->transaction()->begin();
+try {
+    $connection->execute($query, $values);
+    $connection->transaction()->commit();
+} catch (PDOException $exception) {
+    $connection->transaction()->rollBack();
+}
 ```
 
 ## Definitions
@@ -97,23 +109,20 @@ Connection handling
 + `Connection::query` Query the database
 + `Connection::prepare` Prepare query statement
 + `Connection::execute` Prepare and execute a query statement
-+ `Conneciton::transaction` Return a transaction
++ `Connection::transaction` Return a transaction
 
 ### Transaction
 Transaction
 + `Transaction::begin` Begin transaction
 + `Transaction::commit` Commit changes
 + `Transaction::rollBack` Roll back changes
-+ `Transaction::query` Same as `Connection::query`
-+ `Transaction::prepare` Same as `Connection::prepare`
-+ `Transaction::execute` Same as `Connection::execute`
 
 ### ResultSet
 Result set to handle PDOStatement
 + `ResultSet::execute` Execute a prepared statement
-+ `ResultSet::getAsArray` Return query results as array of associative arrays
-+ `ResultSet::getAsObject` Return query results as array of objects
-+ `ResultSet::getFirst` Return first result as object
++ `ResultSet::fetchAll` Return query results as array of associative arrays
++ `ResultSet::fetchAllAsObjects` Return query results as array of objects
++ `ResultSet::fetchFirst` Return first result as associative array
++ `ResultSet::fetchFirstAsObject` Return first result as object
 
 ## TODO
-+ Implement other database types. eg: PostgreSQL, SQLite