Add callout, fix numbered list, add to authors. (#350)

Formatting fixes:
    Add a proper callout box for information on multiple statements.
    Reorder instruction list so last statement appears with others, and so the numbering doesn't reset.
    Add myself to authors (from prior work).

AUTHORS

@@ -23,6 +23,7 @@ Hilmar Lapp <[email protected]>
 Ian Carroll <[email protected]>
 Jaime Ashander <[email protected]>
 James Allen <[email protected]>
+James Foster <[email protected]>
 Jethro Johnson <[email protected]>
 Jin <[email protected]>
 Jon Pipitone <[email protected]>

_episodes/00-sql-introduction.md

@@ -187,7 +187,8 @@ follow these instructions:
 7. Press **OK**, you should subsequently get a message that the table was imported.
 9. Back on the Database Structure tab, you should now see the table listed. Right click on the table name and choose **Modify Table**, or click on the **Modify Table** button just under the tabs and above the table list.
 10. Click **Save** if asked to save all pending changes.
-11. In the center panel of the window that appears, set the data types for each field using the suggestions in the table below (this includes fields from the `plots` and `species` tables also):
+11. In the center panel of the window that appears, set the data types for each field using the suggestions in the table below (this includes fields from the `plots` and `species` tables also).
+12. Finally, click **OK** one more time to confirm the operation. Then click the **Write Changes** button to save the database.
 
 | Field             | Data Type      | Motivation                                                                       | Table(s)          |
 |-------------------|:---------------|----------------------------------------------------------------------------------|-------------------|
@@ -205,8 +206,6 @@ follow these instructions:
 | weight            | REAL           | Field contains measured numerical data                                           | surveys           |
 | year              | INTEGER        | Allows for meaningful arithmetic and comparisons                                 | surveys           |
 
-12. Finally, click **OK** one more time to confirm the operation. Then click the **Write Changes** button to save the database.
-
 
 > ## Challenge
 >

_episodes/01-sql-basic-queries.md

@@ -46,12 +46,12 @@ Sometimes you don't want to see all the results, you just want to get a sense of
 
     SELECT *
     FROM surveys
-    LIMIT 10; 
+    LIMIT 10;
 
 ### Unique values
 
 If we want only the unique values so that we can quickly see what species have
-been sampled we use `DISTINCT` 
+been sampled we use `DISTINCT`
 
     SELECT DISTINCT species_id
     FROM surveys;
@@ -112,7 +112,7 @@ Here, we only want the data since 2000:
     WHERE year >= 2000;
 
 If we used the `TEXT` data type for the year, the `WHERE` clause should
-be `year >= '2000'`. 
+be `year >= '2000'`.
 
 We can use more sophisticated conditions by combining tests
 with `AND` and `OR`.  For example, suppose we want the data on *Dipodomys merriami*
@@ -135,9 +135,9 @@ species codes `DM`, `DO`, and `DS`, we could combine the tests using OR:
 
 > ## Challenge
 >
-> - Produce a table listing the data for all individuals in Plot 1 
+> - Produce a table listing the data for all individuals in Plot 1
 > that weighed more than 75 grams, telling us the date, species id code, and weight
-> (in kg). 
+> (in kg).
 >
 > > ## Solution
 > > ~~~
@@ -250,10 +250,13 @@ The computer is basically doing this:
 3. Displaying requested columns or expressions.
 
 Clauses are written in a fixed order: `SELECT`, `FROM`, `WHERE`, then `ORDER
-BY`. 
+BY`.
 
+> ## Multiple statements
+>
 > It is possible to write a query as a single line, but for readability, we recommend to put each clause on its own line.
-> The standard way to separate each SQL statement is with a semicolon. This allows more than one SQL statement to be executed together.
+> The standard way to separate a whole SQL statement is with a semicolon. This allows more than one SQL statement to be executed together.
+{: .discussion}
 
 > ## Challenge
 >