Add missing tls-passphrase documentation

The tls-passphrase was not documented in MaxCtrl. Also regenerated the
documentation.

Documentation/Reference/MaxCtrl.md

@@ -59,8 +59,9 @@ HTTPS/TLS Options:
                                                        [boolean] [default: true]
 
 Options:
-  --version  Show version number                                       [boolean]
-  --help     Show help                                                 [boolean]
+  --version         Show version number                                [boolean]
+  --tls-passphrase  Password for the TLS private key                    [string]
+  --help            Show help                                          [boolean]
 ```
 
 ## list
@@ -675,6 +676,11 @@ Usage: api <command>
 Commands:
   get <resource> [path]  Get raw JSON
 
+API options:
+  --sum  Calculate sum of API result. Only works for arrays of numbers e.g. `api
+         get --sum servers data[].attributes.statistics.connections`.
+                                                      [boolean] [default: false]
+
 ```
 
 ### api get

maxctrl/lib/core.js

@@ -74,6 +74,10 @@ program
         describe: 'Path to TLS public certificate',
         type: 'string'
     })
+    .option('tls-passphrase', {
+        describe: 'Password for the TLS private key',
+        type: 'string'
+    })
     .option('tls-ca-cert', {
         describe: 'Path to TLS CA certificate',
         type: 'string'