Changed command system (#304)

* Save Cacheable expansions data on shutdown

* Prepare for 1.16

* 1.16.1 is out apparently

* Further fixes, still not done

* Inline JSONMessages & fix for 1.16

* Done :O

* Done for real now, (hopefully)

* Changed to static instead of DI for plugin instance

* Cleanup

* Modified tab completions. Removed extra command.

* Apparently this is needed

* Started cleaning stuff up

basically just pushing so I can continue on laptop

* did more cleaning, probs like half way done

* more cleaning. reverted back to a min arg system somewhat similar to what frosty had, but less boilerplate.

* Started debugging and fixing runtime/compile errors

* Fixed bugs, still needs thorough testing

* Re-enable metrics

* relocated stuff again

* - Remove json message relocation
- uncomment other relocations
- reformat pom
- remove useless scope declaration
- Fix metrics constructor
- Switch commands to use inline json message

Co-authored-by: iGabyTM <contactgabytm@gmail.com>
Co-authored-by: darbyjack <admin@glaremasters.me>
Co-authored-by: PiggyPiglet <noreply@piggypiglet.me>

src/main/java/me/clip/placeholderapi/expansion/NMSVersion.java

@@ -38,26 +38,27 @@ public enum NMSVersion {
   SPIGOT_1_13_R1("v1_13_R1"),
   SPIGOT_1_13_R2("v1_13_R2"),
   SPIGOT_1_14_R1("v1_14_R1"),
-  SPIGOT_1_15_R1("v1_15_R1");
+  SPIGOT_1_15_R1("v1_15_R1"),
+  SPIGOT_1_16_R1("v1_16_R1");
 
-  private final String version;
+    private final String version;
 
-  NMSVersion(String version) {
-    this.version = version;
-  }
-
-  public static NMSVersion getVersion(String version) {
-    for (NMSVersion v : values()) {
-      if (v.getVersion().equalsIgnoreCase(version)) {
-        return v;
-      }
+    NMSVersion(String version) {
+        this.version = version;
     }
 
-    return NMSVersion.UNKNOWN;
-  }
+    public static NMSVersion getVersion(String version) {
+        for (NMSVersion v : values()) {
+            if (v.getVersion().equalsIgnoreCase(version)) {
+                return v;
+            }
+        }
 
-  public String getVersion() {
-    return version;
-  }
+        return NMSVersion.UNKNOWN;
+    }
+
+    public String getVersion() {
+        return version;
+    }
 
 }