Added a changelog, renamed a few files, and .editorconfig.

.editorconfig

@@ -0,0 +1,17 @@
+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_brace_style = K&R
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+max_line_length = 120
+tab_width = 4
+trim_trailing_whitespace = true
+curly_bracket_next_line = true
+quote_type = double

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+
+- Added initial information and formatting files.
+
+## 1.1.0 - 2018-04-08
+
+### Changed
+
+- Updated the cover to match the standards from [fedran-covers](https://gitlab.com/fedran/fedran-covers/).
+
+### Fixed
+
+- Various typo and formatting changes.
+
+## 1.0.1
+
+## 1.0.0
+
+### Added
+
+- Initial version.
+- Print version was published with Ingram with ISBN 978-1-940509-16-7.

versions.markdown

@@ -1,11 +0,0 @@
----
-Title: Versions
----
-
-The current version is 1.0.1.
-
-* 1.0.0
-        * Initial version.
-* 1.0.1
-* 1.1.0
-	* Fix various typos.