From 84264e9375913f1a0042ad538be9e4ef57656151 Mon Sep 17 00:00:00 2001
From: Kuan Butts <kuanbutts@gmail.com>
Date: Sun, 22 Apr 2018 11:20:33 -0700
Subject: [PATCH] Prepare for v0.4.0 bump (#67)

* bump ver

* update history
---
 HISTORY.rst             | 8 ++++++++
 peartree/__version__.py | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/HISTORY.rst b/HISTORY.rst
index 78a93fc..fd32744 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,6 +1,14 @@
 History
 =======
 
+0.4.0 (2018-04-22)
+------------------
+
+* Refactor map operation for multiprocessing pool
+* MultiDiGraph to DiGraph converter
+* Simplify graph method
+* Refactor of coalesce to deal with lost edges problem
+
 0.3.0 (2018-04-01)
 ------------------
 
diff --git a/peartree/__version__.py b/peartree/__version__.py
index 0404d81..abeeedb 100644
--- a/peartree/__version__.py
+++ b/peartree/__version__.py
@@ -1 +1 @@
-__version__ = '0.3.0'
+__version__ = '0.4.0'