Update chuckApi.js

HTML encoding is the default. In this case, &, ” (double quotes), < and > are encoded in their respective HTML format (e.g., &amp;). In this case, you can directly insert the resulting joke in an HTML page without errors.
Merge branch 'v0.2' with master for deployment
Fixed Javascript replacing strings only once.
Merge pull request #4 from vcelis/issue_2_fixes

Fixed Javascript replacing strings only once.