NETSCRIPT: Greatly speed up script launching, and remove the limitation unique args per script (#440)

* Remove the limitation unique args per script
* Internal changes to how runningScripts are stored on the server, to make common usage faster.

markdown/bitburner.runoptions.md

@@ -15,6 +15,7 @@ interface RunOptions
 
 |  Property | Modifiers | Type | Description |
 |  --- | --- | --- | --- |
+|  [preventDuplicates?](./bitburner.runoptions.preventduplicates.md) |  | boolean | _(Optional)_ Should we fail to run if another instance is running with the exact same arguments? This used to be the default behavior, now defaults to false. |
 |  [ramOverride?](./bitburner.runoptions.ramoverride.md) |  | number | <p>_(Optional)_ The RAM allocation to launch each thread of the script with.</p><p>Lowering this will <i>not</i> automatically let you get away with using less RAM: the dynamic RAM check enforces that all [NS](./bitburner.ns.md) functions actually called incur their cost. However, if you know that certain functions that are statically present (and thus included in the static RAM cost) will never be called in a particular circumstance, you can use this to avoid paying for them.</p><p>You can also use this to <i>increase</i> the RAM if the static RAM checker has missed functions that you need to call.</p><p>Must be greater-or-equal to the base RAM cost. Defaults to the statically calculated cost.</p> |
 |  [temporary?](./bitburner.runoptions.temporary.md) |  | boolean | _(Optional)_ Whether this script is excluded from saves, defaults to false |
 |  [threads?](./bitburner.runoptions.threads.md) |  | number | _(Optional)_ Number of threads that the script will run with, defaults to 1 |