 Given email address and old password for an account, set a new password.
 
 Example:
-  curl -u sk_abcdefQWERTY090900000000: -d email_address= -d old_password= -d new_password 
+```
+  curl -u sk_abcdefQWERTY090900000000: \\
+    -d email_address=... \\
+    -d old_password=... \\
+    -d new_password=... \\
+    https://cocalc.com/api/v1/change_password
   ==> {"event":"changed_password","id":"41ff89c3-348e-4361-ad1d-372b55e1544a"}
+```
 """
 
 # hub --> client

and if password is fewer than 6 or more than 64 characters.

Attempting to create the same account a second time results in an error:
  curl -u sk_abcdefQWERTY090900000000: \
    -d first_name=John00 \
    -d last_name=Doe00 \
    -d email_address=jd@some_email \
    -d password=xyzabc09090 \
    -d agreed_to_terms=true https://cocalc.com/api/v1/create_account
  ==> {"event":"account_creation_failed",
       "id":"2332be03-aa7d-49a6-933a-cd9824b7331a",

       "multi_response":false}

Get project id, given title and description.
  curl -u sk_abcdefQWERTY090900000000: -H "Content-Type: application/json" \\
    -d '{"query":{"projects":{"project_id":null,"title":"MY NEW PROJECT 2","description":"desc 2"}}}' \\
    https://cocalc.com/api/v1/query
  ==> {"event":"query",
       "query":{"projects":{"project_id":"29163de6-b5b0-496f-b75d-24be9aa2aa1d",
