Update SQLite3 Drivers

Update bundled drivers to version 1.2.4.

vendor/plugins/sqlite3-ruby/lib/sqlite3/value.rb

@@ -0,0 +1,57 @@
+require 'sqlite3/constants'
+
+module SQLite3
+
+  class Value
+    attr_reader :handle
+
+    def initialize( db, handle )
+      @driver = db.driver
+      @handle = handle
+    end
+
+    def null?
+      type == :null
+    end
+
+    def to_blob
+      @driver.value_blob( @handle )
+    end
+
+    def length( utf16=false )
+      if utf16
+        @driver.value_bytes16( @handle )
+      else
+        @driver.value_bytes( @handle )
+      end
+    end
+
+    def to_f
+      @driver.value_double( @handle )
+    end
+
+    def to_i
+      @driver.value_int( @handle )
+    end
+
+    def to_int64
+      @driver.value_int64( @handle )
+    end
+
+    def to_s( utf16=false )
+      @driver.value_text( @handle, utf16 )
+    end
+
+    def type
+      case @driver.value_type( @handle )
+        when Constants::ColumnType::INTEGER then :int
+        when Constants::ColumnType::FLOAT   then :float
+        when Constants::ColumnType::TEXT    then :text
+        when Constants::ColumnType::BLOB    then :blob
+        when Constants::ColumnType::NULL    then :null
+      end
+    end
+    
+  end
+
+end