README.md in chronic_duration-0.10.1 vs README.md in chronic_duration-0.10.2

@@ -10,12 +10,20 @@
 
     >> require 'chronic_duration'
     => true
     >> ChronicDuration.parse('4 minutes and 30 seconds')
     => 270
+    >> ChronicDuration.parse('0 seconds')
+    => nil
+    >> ChronicDuration.parse('0 seconds', :keep_zero => true)
+    => 0
     >> ChronicDuration.output(270)
     => 4 mins 30 secs
+    >> ChronicDuration.output(0)
+    => nil
+    >> ChronicDuration.output(0, :keep_zero => true)
+    => 0 secs
     >> ChronicDuration.output(270, :format => :short)
     => 4m 30s
     >> ChronicDuration.output(270, :format => :long)
     => 4 minutes 30 seconds
     >> ChronicDuration.output(270, :format => :chrono)
@@ -55,10 +63,10 @@
 Fork and pull request after your specs are green. Add your handle to the list below.
 Also looking for additional maintainers.
 
 ## Contributors
 
-brianjlandau, jduff, olauzon, roboman, ianlevesque
+pdf, brianjlandau, jduff, olauzon, roboman, ianlevesque
 
 ## TODO
 
 * Benchmark, optimize
 * Context specific matching (E.g., for '4m30s', assume 'm' is minutes not months)