title should be defined before it's referenced

When running this `meme -s Grumpy-Old-Man "Just Had Lunch" "Tummy still growling"`, you get this traceback:

```
Traceback (most recent call last):
  File "/Users/brad/.virtualenvs/meme/bin/meme", line 8, in <module>
    load_entry_point('meme==1.0.3', 'console_scripts', 'meme')()
  File "/Users/brad/.virtualenvs/meme/lib/python2.7/site-packages/meme/meme.py", line 99, in cli
    if title:
UnboundLocalError: local variable 'title' referenced before assignment
```
Merge pull request #2 from bradmontgomery/patch-1

Define title before it's referenced
Bump version for unreferenced title fix
Add verion bump info to CHANGES.txt
Set up files for testing
Restructure to be more easily testable
Update tox config and ignore .tox dir
Fixes for py3 compat and easier testing
Add tests
Bump version
Update readme to warn of brokenness
Update for listing popular memes via API
Show proper error messages
Fix meme search

Also increased max results to 24.
Add username and password to options

Also moved usage message to module docstring.
Update meme creation to use new API
Fix tests
Bump version and update README, CHANGES
added httpretty to requirements.txt