Documentation updated.

TODO

@@ -1 +1,3 @@
-Tests for managing tags with pstore
+* Tests for managing tags with pstore
+* Update Tutorial
+  * Describing the options :composite and :timestamps

Tutorial

@@ -54,7 +54,7 @@ the <code>:numerical</code> option to +true+ while generating a new
 instance with new or using the <code>numerical=</code>-method
 combining with calling <code>reload</code>.
 
-Let's make an example:
+Let's look at an example:
  # standard: numerical is false
  photo = MiniExiftool.new 'photo.jpg'
  photo.exposure_time # => '1/60' (String)
@@ -66,13 +66,14 @@ This behaviour can be useful if you want to do calculations on the
 value, if you only want to show the value the standard behaviour is
 maybe better.
 
-
 === Further Example
 
 For understanding reading access to meta data also have a look at the
 example file <code>print_portraits.rb</code> in the +examples+
 directory.
 
+<b>TODO:</b> Describing the options <code>:composite</code> and
+<code>:timestamps</code>!
 
 == Lesson 2: Writing Meta Data
 
@@ -104,7 +105,8 @@ value of a specific tag is changed or a changing in general is
 done. In the same way the +revert+-method reverts the value of a
 specific tag or in general all changes.
 
+You should also look at the rdoc information of MiniExiftool.
 
 === Further Example
 
-See <code>shift_time.rb</code> in the +examples+ directory.
+See <code>shift_time.rb</code> in the +examples+ directory.

lib/mini_exiftool.rb

@@ -29,12 +29,16 @@ class MiniExiftool
 
   VERSION = '0.4.1'
 
-  # opts support at the moment
+  # +opts+ support at the moment
   # * <code>:numerical</code> for numerical values, default is +false+
   # * <code>:composite</code> for including composite tags while loading,
   #   default is +false+
   # * <code>:timestamps</code> generating DateTime objects instead of
-  #   Time objects if set to <code>DateTime</code>, standard is +Time+
+  #   Time objects if set to <code>DateTime</code>, default is +Time+
+  #
+  #   <b>ATTENTION:</b> Time objects are created using <code>Time.local</code>
+  #   therefore they use <em>your local timezone</em>, DateTime objects instead
+  #   are created <em>without timezone</em>!
   def initialize filename, opts={}
     std_opts = {:numerical => false, :composite => false, :timestamps => Time}
     opts = std_opts.update opts