Fix peripheral.getMethods returning {}

I don't even know how this snuck past.

Closes #346

gradle.properties

@@ -1,5 +1,5 @@
 # Mod properties
-mod_version=1.86.1
+mod_version=1.86.2
 
 # Minecraft properties
 mc_version=1.12.2

src/main/java/dan200/computercraft/core/apis/PeripheralAPI.java

@@ -364,20 +364,17 @@ public Object[] callMethod( @Nonnull ILuaContext context, int method, @Nonnull O
             case 2:
             {
                 // getMethods
-                String[] methods = null;
                 ComputerSide side = ComputerSide.valueOfInsensitive( getString( args, 0 ) );
                 if( side != null )
                 {
                     synchronized( m_peripherals )
                     {
                         PeripheralWrapper p = m_peripherals[side.ordinal()];
-                        if( p != null )
-                        {
-                            methods = p.getMethods();
-                        }
+                        if( p != null ) return new Object[] { p.getMethods() };
                     }
                 }
-                return methods != null ? new Object[] { new HashMap<>() } : null;
+
+                return null;
             }
             case 3:
             {

src/main/resources/assets/computercraft/lua/rom/help/changelog.txt

@@ -1,3 +1,7 @@
+# New features in CC: Tweaked 1.86.2
+
+* Fix peripheral.getMethods returning an empty table
+
 # New features in CC: Tweaked 1.86.1
 
 * Add a help message to the Lua REPL's exit function

src/main/resources/assets/computercraft/lua/rom/help/whatsnew.txt

@@ -1,12 +1,5 @@
-New features in CC: Tweaked 1.86.1
+New features in CC: Tweaked 1.86.2
 
-* Add a help message to the Lua REPL's exit function
-* Add more MOTD messages. (osmarks)
-* GPS requests are now made anonymously (osmarks)
-* Minor memory usage improvements to Cobalt VM.
-
-And several bug fixes:
-* Fix error when calling `write` with a number.
-* Add missing assertion to `io.write`.
+* Fix peripheral.getMethods returning an empty table
 
 Type "help changelog" to see the full version history.