v1.2.1 - Fixed issue w/ native lib parsing.

In 1.12.2, some natives do not provide a rules
object and instead just omit the classifier
from the natives object. We now check for that.

Updated electron to v3.0.12.

app/assets/js/assetguard.js

@@ -70,31 +70,36 @@ class Library extends Asset {
      * property has instead specified an OS, the library can be downloaded on any OS EXCLUDING
      * the one specified.
      * 
-     * @param {Object} rules The Library's download rules.
+     * If the rules are undefined, the natives property will be checked for a matching entry
+     * for the current OS.
+     * 
+     * @param {Array.<Object>} rules The Library's download rules.
+     * @param {Object} natives The Library's natives object.
      * @returns {boolean} True if the Library follows the specified rules, otherwise false.
      */
-    static validateRules(rules){
-        if(rules == null) return true
+    static validateRules(rules, natives){
+        if(rules == null) {
+            if(natives == null) {
+                return true
+            } else {
+                return natives[Library.mojangFriendlyOS()] != null
+            }
+        }
 
-        let result = true
-        rules.forEach((rule) => {
-            const action = rule['action']
-            const osProp = rule['os']
-            if(action != null){
-                if(osProp != null){
-                    const osName = osProp['name']
-                    const osMoj = Library.mojangFriendlyOS()
-                    if(action === 'allow'){
-                        result = osName === osMoj
-                        return
-                    } else if(action === 'disallow'){
-                        result = osName !== osMoj
-                        return
-                    }
+        for(let rule of rules){
+            const action = rule.action
+            const osProp = rule.os
+            if(action != null && osProp != null){
+                const osName = osProp.name
+                const osMoj = Library.mojangFriendlyOS()
+                if(action === 'allow'){
+                    return osName === osMoj
+                } else if(action === 'disallow'){
+                    return osName !== osMoj
                 }
             }
-        })
-        return result
+        }
+        return true
     }
 }
 
@@ -1160,7 +1165,7 @@ class AssetGuard extends EventEmitter {
 
             //Check validity of each library. If the hashs don't match, download the library.
             async.eachLimit(libArr, 5, (lib, cb) => {
-                if(Library.validateRules(lib.rules)){
+                if(Library.validateRules(lib.rules, lib.natives)){
                     let artifact = (lib.natives == null) ? lib.downloads.artifact : lib.downloads.classifiers[lib.natives[Library.mojangFriendlyOS()].replace('${arch}', process.arch.replace('x', ''))]
                     const libItm = new Library(lib.name, artifact.sha1, artifact.size, artifact.url, path.join(libPath, artifact.path))
                     if(!AssetGuard._validateLocal(libItm.to, 'sha1', libItm.hash)){

app/assets/js/processbuilder.js

@@ -365,7 +365,7 @@ class ProcessBuilder {
         fs.ensureDirSync(tempNativePath)
         for(let i=0; i<libArr.length; i++){
             const lib = libArr[i]
-            if(Library.validateRules(lib.rules)){
+            if(Library.validateRules(lib.rules, lib.natives)){
                 if(lib.natives == null){
                     const dlInfo = lib.downloads
                     const artifact = dlInfo.artifact