Update netscript documentation.

Unfortunately, I haven't used most of the specialty APIs yet, so I'm not intimately familiar with where their documentation might be wrong. I figured some fixes were better than no fixes, and I can always make more fixes later.

Fixes #1023.

doc/source/netscript/formulasapi/hacknetServers/constants.rst

@@ -6,24 +6,32 @@ constants() Netscript Function
     :RAM cost: 0 GB
     :returns: A structure with various constants related to hacknet servers.
 
+    If you are not in BitNode-5, then you must have Source-File 5-1 in order to
+    use this function. In addition, if you are not in BitNode-9, then you must
+    have Source-File 9-1 in order to use this function.
+
+    Returns an object with the following properties::
+
+        {
+            HashesPerLevel:   Multiplied by the server's level to get the server's base income
+            BaseCost:         A multiplier used when buying new nodes or upgrading levels
+            RamBaseCost:      A multiplier used when upgrading RAM
+            CoreBaseCost:     A multiplier used when buying additional cores
+            CacheBaseCost:    A multiplier used when upgrading cache
+            PurchaseMult:     The root of an exponent used when buying new servers
+            UpgradeLevelMult: The root of an exponent used when upgrading levels
+            UpgradeRamMult:   The root of an exponent used when upgrading RAM
+            UpgradeCoreMult:  The root of an exponent used when buying additional cores
+            UpgradeCacheMult: The root of an exponent used when upgrading cache
+            MaxServers:       Maximum number of hacknet servers you can own
+            MaxLevel:         Maximum level a server can have
+            MaxRam:           Maximum RAM a server can have
+            MaxCores:         Maximum number of cores a server can have
+            MaxCache:         Maximum cache a server can have
+        }
+
     Examples:
 
     .. code-block:: javascript
 
-        {
-            HashesPerLevel
-            BaseCost
-            RamBaseCost
-            CoreBaseCost
-            CacheBaseCost
-            PurchaseMult 
-            UpgradeLevelMult 
-            UpgradeRamMult 
-            UpgradeCoreMult 
-            UpgradeCacheMult 
-            MaxServers 
-            MaxLevel
-            MaxRam
-            MaxCores
-            MaxCache
-        }
+        tprint("Maximum RAM a hacknet server can have: "+formulas.hacknetServers.constants().MaxRam+" GB");