Add missing info functionality to api, fix list_strings output

lib/rvm/environment.rb

@@ -6,7 +6,7 @@ module RVM
   class Environment
     extend Forwardable
 
-    %w(configuration utility alias list gemset rubies cleanup sets env tools).each do |key|
+    %w(configuration utility alias list gemset rubies cleanup sets env tools info).each do |key|
       require File.join("rvm", "environment", key)
     end
 

lib/rvm/environment/info.rb

@@ -0,0 +1,13 @@
+require 'yaml'
+
+module RVM
+  class Environment
+
+    def info(*ruby_strings)
+      ruby_string = normalize_ruby_string(ruby_strings)
+      res = rvm(:info, ruby_string)
+      res.successful? ? YAML.load(res.stdout) : {}
+    end
+
+  end
+end

lib/rvm/environment/list.rb

@@ -8,7 +8,7 @@ def list_gemsets
 
     # Returns a raw array list of installed ruby strings, including aliases.
     def list_strings
-      normalize_listing_output rvm(:list, :strings).stdout
+      normalize_listing_output rvm(:list, :strings).stdout.tr(' ', "\n")
     end
 
     # Lists the default ruby (minus gemset)