diff --git a/Gemfile.lock b/Gemfile.lock
index 31cd0e5..1291e6d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,28 +3,26 @@ GEM
   specs:
     addressable (2.8.1)
       public_suffix (>= 2.0.2, < 6.0)
-    concurrent-ruby (1.1.10)
-    cyberarm_engine (0.22.0)
+    concurrent-ruby (1.2.0)
+    cyberarm_engine (0.23.0)
       excon (~> 0.88)
       gosu (~> 1.1)
       gosu_more_drawables (~> 0.3)
     digest-crc (0.6.4)
       rake (>= 12.0.0, < 14.0.0)
     event_emitter (0.2.6)
-    excon (0.94.0)
+    excon (0.99.0)
     ffi (1.15.5)
-    ffi (1.15.5-x64-mingw-ucrt)
-    ffi (1.15.5-x64-mingw32)
     ffi-win32-extensions (1.0.4)
       ffi
-    gosu (1.4.3)
+    gosu (1.4.5)
     gosu_more_drawables (0.3.1)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     ircparser (1.0.0)
-    launchy (2.5.0)
-      addressable (~> 2.7)
-    public_suffix (5.0.0)
+    launchy (2.5.2)
+      addressable (~> 2.8)
+    public_suffix (5.0.1)
     rake (13.0.6)
     rexml (3.2.5)
     rubyzip (2.3.2)
@@ -59,4 +57,4 @@ DEPENDENCIES
   win32-security
 
 BUNDLED WITH
-   2.3.17
+   2.4.3
diff --git a/lib/api.rb b/lib/api.rb
index d9d1b2e..a5e8d54 100644
--- a/lib/api.rb
+++ b/lib/api.rb
@@ -15,10 +15,14 @@ class W3DHub
     }.freeze
 
     def self.on_thread(method, *args, &callback)
-      BackgroundWorker.job(-> { Api.send(method, *args) }, callback)
+      BackgroundWorker.foreground_job(-> { Api.send(method, *args) }, callback)
     end
 
     class DummyResponse
+      def initialize(error)
+        @error = error
+      end
+
       def success?
         false
       end
@@ -26,16 +30,22 @@ class W3DHub
       def status
         -1
       end
+
+      def body
+        ""
+      end
+
+      def error
+        @error
+      end
     end
 
     #! === W3D Hub API === !#
 
     ENDPOINT = "https://secure.w3dhub.com".freeze
 
-    def self.post(url, headers = DEFAULT_HEADERS, body = nil)
-      # TODO: Check if session has expired and attempt to refresh session before submitting request
-
-      logger.debug(LOG_TAG) { "Fetching POST \"#{url}\"..." }
+    def self.excon(method, url, headers = DEFAULT_HEADERS, body = nil)
+      logger.debug(LOG_TAG) { "Fetching #{method.to_s.upcase} \"#{url}\"..." }
 
       # Inject Authorization header if account data is populated
       if Store.account
@@ -45,28 +55,37 @@ class W3DHub
       end
 
       begin
-        Excon.post(
+        Excon.send(
+          method,
           url,
           headers: headers,
           body: body,
+          nonblock: true,
           tcp_nodelay: true,
           write_timeout: API_TIMEOUT,
           read_timeout: API_TIMEOUT,
-          connection_timeout: API_TIMEOUT,
+          connect_timeout: API_TIMEOUT,
           idempotent: true,
-          retry_limit: 6,
-          retry_interval: 5
+          retry_limit: 3,
+          retry_interval: 1,
+          retry_errors: [Excon::Error::Socket, Excon::Error::HTTPStatus] # Don't retry on timeout
         )
-      rescue Excon::Errors::Timeout
+      rescue Excon::Errors::Timeout => e
         logger.error(LOG_TAG) { "Connection to \"#{url}\" timed out after: #{API_TIMEOUT} seconds" }
-        DummyResponse.new
-      rescue Excon::Socket::Error => e
+
+        DummyResponse.new(e)
+      rescue Excon::Error => e
         logger.error(LOG_TAG) { "Connection to \"#{url}\" errored:" }
         logger.error(LOG_TAG) { e }
-        DummyResponse.new
+
+        DummyResponse.new(e)
       end
     end
 
+    def self.post(url, headers = DEFAULT_HEADERS, body = nil)
+      excon(:post, url, headers, body)
+    end
+
     # Method: POST
     # FORMAT: JSON
 
@@ -240,11 +259,7 @@ class W3DHub
     SERVER_LIST_ENDPOINT = "https://gsh.w3dhub.com".freeze
 
     def self.get(url, headers = DEFAULT_HEADERS, body = nil)
-      @client ||= Excon.new(SERVER_LIST_ENDPOINT, persistent: true)
-
-      logger.debug(LOG_TAG) { "Fetching GET \"#{url}\"..." }
-
-      Excon.get(url, headers: headers, body: body, persistent: true, idempotent: true, retry_limit: 6, retry_interval: 5)
+      excon(:get, url, headers, body)
     end
 
     # Method: GET
diff --git a/lib/background_worker.rb b/lib/background_worker.rb
index fc54748..5628fd9 100644
--- a/lib/background_worker.rb
+++ b/lib/background_worker.rb
@@ -71,12 +71,15 @@ class W3DHub
 
     def kill!
       @thread_pool.each(&:kill)
+
+      logger.info(LOG_TAG) { "Forcefully killed background job worker." }
+      @@alive = false
     end
 
     def handle_jobs
       8.times do |i|
-        Thread.new do |thread|
-          @thread_pool << thread
+        Thread.new do
+          @thread_pool << Thread.current
 
           while BackgroundWorker.run?
             job = @parallel_jobs.shift
@@ -96,24 +99,28 @@ class W3DHub
         end
       end
 
-      while BackgroundWorker.run?
-        job = @jobs.shift
+      Thread.new do
+        @thread_pool << Thread.current
 
-        @busy = true
+        while BackgroundWorker.run?
+          job = @jobs.shift
 
-        begin
-          job&.do
-        rescue => e
-          job&.raise_error(e)
+          @busy = true
+
+          begin
+            job&.do
+          rescue => e
+            job&.raise_error(e)
+          end
+
+          @busy = !@jobs.empty?
+
+          sleep 0.1
         end
 
-        @busy = !@jobs.empty?
-
-        sleep 0.1
+        logger.info(LOG_TAG) { "Stopped background job worker." }
+        @@alive = false
       end
-
-      logger.info(LOG_TAG) { "Stopped background job worker." }
-      @@alive = false
     end
 
     def add_job(job)