Update script to be more defensive

- Convert entire dotfiles script to be more defensive, and easier to
  unit test
- Convert all repetitive task to a reusable script
- Compartmentalize all common tasks into functions
- Create constants for use across the script
- Create helper utility functions
- Create function for passing in short and long form options
- Update README with new screenshot
- Update CHANGELOG

Issue: #31, #19

CHANGELOG.md

@@ -1,5 +1,44 @@
 # Changelog
 
-## 1.0.0
+## 2.0.0 (2014-08-14)
 
-* Create initial library (1.0.0 / 2014-06-18)
+Features:
+
+* Update script to be more defensive (SHA: 63c79c3)
+* Create file to store VERSION (SHA: de955aa, tag: 1.14.0)
+* Create library tests (SHA: 64357d7, tag: 1.13.0)
+* Create toggle functions for ViM settings (SHA: f430f54, tag: 1.12.0)
+* Update dotfiles script to add edit function (SHA: da14682, tag: 1.11.0)
+* Create edit function (SHA: 1576e61)
+* Update with library config files (SHA: b42f68f)
+* Update with vtop library (SHA: 4c1d644, tag: 1.10.0)
+* Update with uncss library (SHA: 64b2332, tag: 1.9.0)
+* Update with myth library (SHA: 6e41a3c, tag: 1.8.0)
+* Update with htmlhint library (SHA: 2f7cef8, tag: 1.7.0)
+* Update with CSS Comb library (SHA: 0c2944b, tag: 1.6.0)
+* Update with overcommit library (SHA: a0ca608, tag: 1.5.0)
+* Create syntax checking for ViM (SHA: 1c21b6b, tag: 1.4.0)
+* Create alias to update ViM plugins (SHA: bb88bef)
+* Update dotfiles to include hash check for brew (SHA: d022ef8, tag: 1.3.0)
+* Update opt/homebrew with peco library (SHA: 81e9c63)
+* Update homebrew formulae to include php55 (SHA: 5b7e49b)
+* Update SSH config settings (SHA: 8fa663d, tag: 1.2.0)
+* Update ViM configuration for EditorConfig (SHA: 3244c0d)
+* Update <tab> completion libraries (SHA: 27c44ca, tag: 1.1.0)
+
+Bugfixes:
+
+* Update man page with edit function (SHA: 5febaf9)
+* Update comments to reflect proper bash prompt (SHA: 26a086a)
+* Update various bugs (SHA: b14084c, tag: 1.3.1)
+* Update dotfiles from installation verification (SHA: 188477b)
+* Update dotfiles to remove Brewfile dependency (SHA: 873c776, tag: 1.2.2)
+* Create Vundle as submodule (SHA: 0fd5dca, tag: 1.2.1)
+* Update homebrew formulae order (SHA: abfa00d)
+* Update git config (SHA: e5361c3)
+* Update bash_prompt colors for git status (SHA: 85afb63, tag: 1.1.1)
+* Update ViM bundles to include plugins (SHA: e2cf6c2)
+
+## 1.0.0 (2014-06-18)
+
+* Create initial library (SHA: 34fabfc)

README.md

@@ -198,7 +198,7 @@ For best results, you should install [iTerm2](http://chriskempson.github.io/base
 
 #### Screenshot
 
-![](http://cdn.chrisopedia.me/images/dotfiles-screenshot.png)
+![](http://cdn.chrisopedia.me/images/dotfiles-screenshot-v2.png)
 
 ### Local/private Bash configuration