Changelog entry for v0.1.1 (#445)

Changelog for a bugfix release that finally supports Windows! Release date set to 2020/05/22.

Co-authored-by: Dongdong Tian <seisman.info@gmail.com>

doc/changes.rst

@@ -1,6 +1,45 @@
 Changelog
 =========
 
+Release v0.1.1 (2020/05/22)
+---------------------------
+
+.. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.3837197.svg
+   :alt: Digital Object Identifier for the Zenodo archive
+   :target: https://doi.org/10.5281/zenodo.3837197
+
+Highlights:
+
+* 🏁Windows users rejoice, this bugfix release is for you!🏁
+* Let PyGMT work with the conda GMT package on Windows (`#434 <https://github.com/GenericMappingTools/pygmt/pull/434>`__)
+
+Enhancements:
+
+* Handle setting special parameters without default settings for config (`#411 <https://github.com/GenericMappingTools/pygmt/pull/411>`__)
+
+Documentation:
+
+* Update install instructions (`#430 <https://github.com/GenericMappingTools/pygmt/pull/430>`__)
+* Add PyGMT AGU 2019 poster to website (`#425 <https://github.com/GenericMappingTools/pygmt/pull/425>`__)
+* Redirect www.pygmt.org to latest, instead of dev (`#423 <https://github.com/GenericMappingTools/pygmt/pull/423>`__)
+
+Bug Fixes:
+
+* Set GMT_COMPATIBILITY to 6 when pygmt session starts (`#432 <https://github.com/GenericMappingTools/pygmt/pull/432>`__)
+* Improve how PyGMT finds the GMT library (`#440 <https://github.com/GenericMappingTools/pygmt/pull/440>`__)
+
+Maintenance:
+
+* Finalize fixes on Windows test suite for v0.1.1 (`#441 <https://github.com/GenericMappingTools/pygmt/pull/441>`__)
+* Cache test data on Azure Pipelines (`#438 <https://github.com/GenericMappingTools/pygmt/pull/438>`__)
+
+This release contains contributions from:
+
+* `Dongdong Tian <https://github.com/seisman>`__
+* `Wei Ji Leong <https://github.com/weiji14>`__
+
+----
+
 Release v0.1.0 (2020/05/03)
 ---------------------------