Fix to ignore empty tasks. Fixes #4

fixes #3, now ignores empty lines

minor tweak in readme

updated readme with features and contribution notes

fixed rake task to run with 1.8.7

tweaked code to make it run on 1.8.7, fixes #1 #2

updated faq

added sensible defaults when no options are passed

minor tweak to readme

fixed rake task

added faq

added install instructions

updated readme with usage and rules

added rake task to setup taskr for the first run

added cmd line help to readme