Fix error caused by undefined versions, error propagation in zip processor.

src/model/struct/model/module/forgemod/forgemod113.struct.ts

@@ -58,7 +58,8 @@ export class ForgeModStructure113 extends BaseForgeModStructure {
                         return
                     } catch(err) {
                         zip.close()
-                        throw err
+                        reject(err)
+                        return
                     }
                 })
 

src/model/struct/model/module/forgemod/forgemod17.struct.ts

@@ -56,7 +56,8 @@ export class ForgeModStructure17 extends BaseForgeModStructure {
                         return
                     } catch(err) {
                         zip.close()
-                        throw err
+                        reject(err)
+                        return
                     }
                 })
 
@@ -129,10 +130,15 @@ export class ForgeModStructure17 extends BaseForgeModStructure {
             }
 
             // Ex. @VERSION@, ${version}
+            if(this.forgeModMetadata[name]!.version != null) {
                 const isVersionWildcard = this.forgeModMetadata[name]!.version.indexOf('@') > -1 || this.forgeModMetadata[name]!.version.indexOf('$') > -1
                 if(isVersionWildcard) {
                     x.version = crudeInference.version
                 }
+            } else {
+                x.version = crudeInference.version
+            }
+            
             
         } else {
             this.forgeModMetadata[name] = ({

src/model/struct/model/module/litemod.struct.ts

@@ -53,7 +53,8 @@ export class LiteModStructure extends ModuleStructure {
                         return
                     } catch(err) {
                         zip.close()
-                        throw err
+                        reject(err)
+                        return
                     }
                 })