Update package version to 0.1.17 and add getVersion method to Reaction class for improved version management.

Author: flexsurfer

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@flexsurfer/reflex",
-  "version": "0.1.16",
+  "version": "0.1.17",
   "license": "MIT",
   "repository": {
     "type": "git",

src/reaction.ts

@@ -191,6 +191,10 @@ export class Reaction<T> {
   getId(): Id {
     return this.id
   }
+  
+  getVersion(): number {
+    return this.version
+  }
 
   getSubVector(): SubVector | undefined {
     return this.subVector
@@ -200,18 +204,18 @@ export class Reaction<T> {
     this.subVector = subVector
   }
 
-  private get isAlive(): boolean {
-    return this.hasWatchers || this.hasDependents
-  }
-
-  private get hasWatchers(): boolean {
+  get hasWatchers(): boolean {
     return this.watchers.length > 0
   }
 
-  private get hasDependents(): boolean {
+  get hasDependents(): boolean {
     return this.dependents.size > 0
   }
 
+  get isAlive(): boolean {
+    return this.hasWatchers || this.hasDependents
+  }
+
   get isDirty(): boolean {
     return this.dirty
   }