Do not change table column name case

Author: coder-pm

Diff for: .gitignore

@@ -0,0 +1 @@
+/.idea

Diff for: src/XBase/Table.php

@@ -83,7 +83,7 @@ protected function readHeader()
 
         for ($i=0;$i<$fieldCount;$i++) {
             $column = new Column(
-                strtolower($this->readString(11)), // name
+                $this->readString(11), // name
                 $this->readByte(),      // type
                 $this->readInt(),       // memAddress
                 $this->readChar(),      // length