Fixed various typos throughout laravel folder.

Signed-off-by: Josh Miller <josh@joshmmiller.com>

laravel/session/drivers/database.php

@@ -84,7 +84,7 @@ class Database extends Driver implements Sweeper {
 	}
 
 	/**
-	 * Delete all expired sessions from persistant storage.
+	 * Delete all expired sessions from persistent storage.
 	 *
 	 * @param  int   $expiration
 	 * @return void

laravel/session/drivers/driver.php

@@ -63,7 +63,7 @@ abstract class Driver {
 			return Str::random(40);
 		}
 
-		// We'll containue generating random IDs until we find an ID that is
+		// We'll continue generating random IDs until we find an ID that is
 		// not currently assigned to a session. This is almost definitely
 		// going to happen on the first iteration.
 		do {

laravel/session/drivers/file.php

@@ -64,7 +64,7 @@ class File extends Driver implements Sweeper {
 	}
 
 	/**
-	 * Delete all expired sessions from persistant storage.
+	 * Delete all expired sessions from persistent storage.
 	 *
 	 * @param  int   $expiration
 	 * @return void

laravel/session/drivers/sweeper.php

@@ -3,7 +3,7 @@
 interface Sweeper {
 
 	/**
-	 * Delete all expired sessions from persistant storage.
+	 * Delete all expired sessions from persistent storage.
 	 *
 	 * @param  int   $expiration
 	 * @return void

laravel/session/payload.php

@@ -71,7 +71,7 @@ class Payload {
 	}
 
 	/**
-	 * Deteremine if the session payload instance is valid.
+	 * Determine if the session payload instance is valid.
 	 *
 	 * The session is considered valid if it exists and has not expired.
 	 *