chore(version): Revert version to 1.0.0 as requested

- Reverted version in lib/mcp/version.rb from 1.1.1 to 1.0.0
- Updated Gemfile.lock to reflect version change
- Modified CHANGELOG.md to move 1.1.0 and 1.1.1 features to Unreleased section
- Removed gem files for versions 1.1.0 and 1.1.1

Closes task #1-version-revert-to-original

Author: cs3b

CHANGELOG.md

@@ -5,18 +5,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [1.1.1] - 2025-04-04
-
-### Changed
-- Fix: Removed unused pagination keys (as we don't have this feature yet) from API responses to align with MCP specification
-
-## [1.1.0] - 2025-04-04
+## [Unreleased]
 
 ### Added
 - Prompts Feature 
 - New flexible API for the `messages` method supporting both hash and array inputs
 - Prompt ERB template support for JSON/XML structured data
 
+### Changed
+- Fix: Removed unused pagination keys (as we don't have this feature yet) from API responses to align with MCP specification
+
 ## [1.0.0] - 2025-03-30
 
 ### Added

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    fast-mcp (1.1.1)
+    fast-mcp (1.0.0)
       base64
       dry-schema (~> 1.14)
       json (~> 2.0)

lib/mcp/version.rb

@@ -2,5 +2,5 @@
 
 # Version information
 module FastMcp
-  VERSION = '1.1.1'
+  VERSION = '1.0.0'
 end