Added information about pry-nav for ruby debugging

README.md

@@ -187,12 +187,17 @@ an example.
 ## Pry
 
 Pry (http://pry.github.com/) offers a much better out of the box IRB experience
-with colors, tab completion, and lots of other tricks. You should:
+with colors, tab completion, and lots of other tricks. You can also use it
+as an actual debugger by installing pry-nav (https://github.com/nixme/pry-nav) to 
+get colorized debugging that shows you where you are as you step through.
+
+You should:
 
 ### Install the gem
 
 ```bash
 gem install pry
+gem install pry-nav
 gem install awesome_print
 ```
 
@@ -200,16 +205,17 @@ gem install awesome_print
 
   * as irb: `pry`
   * as rails console: `script/console --irb=pry`
+  * as a debugger: `require 'pry'; binding.pry` in your code (or just type `pry!<space>` to make vim do it)
 
 ### Pry Customizations:
 
  * `clear` command to clear screen
  * `sql` command to execute something (within a rails console)
+ * `c` (continue) `n` (next) `s` (step) commands for debugging using pry-nav
  * all objects displayed in readable format (colorized, sorted hash keys) - via awesome_print
  * a few color modifications to make it more useable
  * type `help` to see all the commands
 
-
 ## Git
 
 ### User Info

irb/pryrc

@@ -1,6 +1,11 @@
 # === EDITOR ===
 Pry.editor = 'vi'
 
+# == Pry-Nav - Using pry as a debugger ==
+Pry.commands.alias_command 'c', 'continue'
+Pry.commands.alias_command 's', 'step'
+Pry.commands.alias_command 'n', 'next'
+
 # === CUSTOM PROMPT ===
 # This prompt shows the ruby version (useful for RVM)
 Pry.prompt = [proc { |obj, nest_level, _| "#{RUBY_VERSION} (#{obj}):#{nest_level} > " }, proc { |obj, nest_level, _| "#{RUBY_VERSION} (#{obj}):#{nest_level} * " }]