Update requirements

requirements.txt

@@ -1,20 +1,22 @@
+-e git+https://4753ad3ace64ac52c8e052ff8e782eb8a6960b04:x-oauth-basic@github.com/suchow/nltk.git@develop#egg=nltk
 -e git+https://4753ad3ace64ac52c8e052ff8e782eb8a6960b04:x-oauth-basic@github.com/suchow/proselint.git#egg=proselint
 -e git+https://4753ad3ace64ac52c8e052ff8e782eb8a6960b04:x-oauth-basic@github.com/suchow/TextBlob.git#egg=textblob
--e git+https://4753ad3ace64ac52c8e052ff8e782eb8a6960b04:x-oauth-basic@github.com/suchow/nltk.git@develop#egg=nltk
 beautifulsoup4==4.3.2
 click==3.3
-Flask-Cors==1.10.3
 Flask==0.10.1
+Flask-API==0.6.2
+Flask-Cors==1.10.3
+Flask-Limiter==0.7.8
 gunicorn==19.2.1
 itsdangerous==0.24
 Jinja2==2.7.3
 MarkupSafe==0.23
 pep257==0.4.1
 pep8==1.6.1
+queuelib==1.2.2
+redis==2.10.3
 requests==2.5.1
+rq==0.5.1
 six==1.9.0
 Werkzeug==0.10.1
 wikipedia==1.4.0
-redis==2.10.3
-queuelib==1.2.2
-rq==0.5.1