Hey look, it has params too

Author: danopia

README.md

@@ -11,6 +11,7 @@ Luckily, Heroku's client makes it very easy to install plugins:
 
 Usage
 -----
+For the current month:
 
     $ heroku sendgrid
     +----------------------------------------------------------------+
@@ -22,3 +23,24 @@ Usage
     | Totals     |    97026 |      33 |  43769 | 33979 |          14 |
     +----------------------------------------------------------------+
 
+The command also accepts the optional parameters `year=` and `month=`. For example:
+
+    $ heroku sendgrid month=6
+    +---------------------------------------------------------------+
+    |    date   | requests | bounces | clicks | opens | spamreports |
+    +---------------------------------------------------------------+
+    | 2010-6-01 |        0 |       0 |      0 |     0 |           0 |
+    | 2010-6-02 |        0 |       0 |      0 |     0 |           0 |
+    ...
+    | Totals    |        0 |       0 |      0 |     0 |           0 |
+    +---------------------------------------------------------------+
+
+    $ heroku sendgrid year=1970 month=1
+    +---------------------------------------------------------------+
+    |    date   | requests | bounces | clicks | opens | spamreports |
+    +---------------------------------------------------------------+
+    | 1970-1-01 |        0 |       0 |      0 |     0 |           0 |
+    | 1970-1-02 |        0 |       0 |      0 |     0 |           0 |
+    ...
+    +---------------------------------------------------------------+
+