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/hacknetNodes/constants.rst

@@ -6,21 +6,28 @@ constants() Netscript Function
     :RAM cost: 0 GB
     :returns: A structure with various constants related to hacknet nodes.
 
+    If you are not in BitNode-5, then you must have Source-File 5-1 in order to
+    use this function.
+
+    Returns an object with the following properties::
+
+        {
+            MoneyGainPerLevel: Multiplied by the node's level to get the node's base income
+            BaseCost:          A multiplier used when buying new nodes or upgrading levels
+            LevelBaseCost:     A multiplier used when upgrading levels
+            RamBaseCost:       A multiplier used when upgrading RAM
+            CoreBaseCost:      A multiplier used when buying additional cores
+            PurchaseNextMult:  The root of an exponent used when buying new nodes
+            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
+            MaxLevel:          Maximum level a node can have
+            MaxRam:            Maximum RAM a node can have
+            MaxCores:          Maximum number of cores a node can have
+        }
+
     Examples:
 
     .. code-block:: javascript
 
-        {
-            MoneyGainPerLevel
-            BaseCost
-            LevelBaseCost
-            RamBaseCost
-            CoreBaseCost
-            PurchaseNextMult
-            UpgradeLevelMult
-            UpgradeRamMult
-            UpgradeCoreMult
-            MaxLevel
-            MaxRam
-            MaxCores
-        }
+        tprint("Maximum RAM a hacknet node can have: "+formulas.hacknetNodes.constants().MaxRam+" GB.");

doc/source/netscript/formulasapi/hacknetNodes/coreUpgradeCost.rst

@@ -9,7 +9,8 @@ coreUpgradeCost() Netscript Function
     :param number costMult: Aug multiplier that reduces cost. Defaults to ``1``.
     :returns: Money required to go from ``startingCores`` to ``startingCores+extraCores``.
 
-    You must have Source-File 5-1 in order to use this function.
+    If you are not in BitNode-5, then you must have Source-File 5-1 in order to
+    use this function.
 
     This function calculates the cost of upgrading cores from any level to any level.
 

doc/source/netscript/formulasapi/hacknetNodes/hacknetNodeCost.rst

@@ -8,7 +8,8 @@ hacknetNodeCost() Netscript Function
     :param number costMult: Aug multiplier that reduces cost. Defaults to ``1``.
     :returns: Money required to buy your ``nodeN`` th node.
 
-    You must have Source-File 5-1 in order to use this function.
+    If you are not in BitNode-5, then you must have Source-File 5-1 in order to
+    use this function.
 
     This function calculates the cost purchasing a hacknet node.
 

doc/source/netscript/formulasapi/hacknetNodes/levelUpgradeCost.rst

@@ -9,7 +9,8 @@ levelUpgradeCost() Netscript Function
     :param number costMult: Aug multiplier that reduces cost. Defaults to ``1``.
     :returns: Money required to go from ``startingLevel`` to ``startingLevel+extraLevels``.
 
-    You must have Source-File 5-1 in order to use this function.
+    If you are not in BitNode-5, then you must have Source-File 5-1 in order to
+    use this function.
 
     This function calculates the cost of upgrading levels from any level to any level.
 
@@ -17,4 +18,4 @@ levelUpgradeCost() Netscript Function
 
     .. code-block:: javascript
 
-        formulas.hacknetNodes.levelUpgradeCost(1, 5); // returns: 2816
+        formulas.hacknetNodes.levelUpgradeCost(1, 5); // returns: 2816

doc/source/netscript/formulasapi/hacknetNodes/moneyGainRate.rst

@@ -9,7 +9,8 @@ moneyGainRate() Netscript Function
     :param number core: cores of the node.
     :returns: Money per second that a node with those stats would gain per second.
 
-    You must have Source-File 5-1 in order to use this function.
+    If you are not in BitNode-5, then you must have Source-File 5-1 in order to
+    use this function.
 
     This function calculates the money rate of a node with the given stats.
 
@@ -21,4 +22,4 @@ moneyGainRate() Netscript Function
         currentRate = formulas.hacknetNodes.moneyGainRate(node.level, node.ram, node.cores);
         levelRate = formulas.hacknetNodes.moneyGainRate(node.level+1, node.ram, node.cores);
         ramRate = formulas.hacknetNodes.moneyGainRate(node.level, node.ram*2, node.cores);
-        coresRate = formulas.hacknetNodes.moneyGainRate(node.level, node.ram, node.cores+1);
+        coresRate = formulas.hacknetNodes.moneyGainRate(node.level, node.ram, node.cores+1);

doc/source/netscript/formulasapi/hacknetNodes/ramUpgradeCost.rst

@@ -11,7 +11,8 @@ ramUpgradeCost() Netscript Function
 
     ..note:: ``startingRam`` is the actual amount of ram, not the amount of levels of ram.
 
-    You must have Source-File 5-1 in order to use this function.
+    If you are not in BitNode-5, then you must have Source-File 5-1 in order to
+    use this function.
 
     This function calculates the cost of upgrading levels from any level to any level.
 
@@ -19,4 +20,4 @@ ramUpgradeCost() Netscript Function
 
     .. code-block:: javascript
 
-        formulas.hacknetNodes.ramUpgradeCost(1, 5); // returns: 2095000
+        formulas.hacknetNodes.ramUpgradeCost(1, 5); // returns: 2095000