diff --git a/.gitignore b/.gitignore
index 15930d4c..45937a12 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,8 +4,9 @@
 .*.sw?
 .DS_Store
 build/**
+release/**
 .vscode/**
-Makefile
-CMakeCache.txt
-cmake_install.cmake
-CMakeFiles/**
\ No newline at end of file
+**/Makefile
+**/CMakeCache.txt
+**/cmake_install.cmake
+**/CMakeFiles/**
\ No newline at end of file
diff --git a/examples/hpcontract/.gitignore b/examples/echocontract/.gitignore
similarity index 100%
rename from examples/hpcontract/.gitignore
rename to examples/echocontract/.gitignore
diff --git a/examples/hpcontract/contract.js b/examples/echocontract/contract.js
similarity index 100%
rename from examples/hpcontract/contract.js
rename to examples/echocontract/contract.js
diff --git a/examples/hpcontract/package-lock.json b/examples/echocontract/package-lock.json
similarity index 100%
rename from examples/hpcontract/package-lock.json
rename to examples/echocontract/package-lock.json
diff --git a/examples/hpcontract/package.json b/examples/echocontract/package.json
similarity index 100%
rename from examples/hpcontract/package.json
rename to examples/echocontract/package.json
diff --git a/release.sh b/release.sh
new file mode 100755
index 00000000..fd82b1cf
--- /dev/null
+++ b/release.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+# Hot Pocket - create release package
+
+if [ -z "$1" ]
+then
+      echo "Release Version not specified."
+      exit 1
+fi
+
+RELVERSION="hp-${1}"
+RELEASEDIR=./release/$RELVERSION
+
+cmake . -DCMAKE_BUILD_TYPE=Release
+make
+
+rm -rf ./release
+
+# Copy hpcore binary
+mkdir -p $RELEASEDIR
+cp build/hpcore $RELEASEDIR/hpcore
+$RELEASEDIR/hpcore new $RELEASEDIR/echocontract
+
+# Copy example client
+mkdir $RELEASEDIR/hpclient
+cp -r examples/hpclient/client.js $RELEASEDIR/hpclient
+cp -r examples/hpclient/package.json $RELEASEDIR/hpclient
+echo "npm install hpclient"
+npm --prefix $RELEASEDIR/hpclient install > /dev/null 2>&1
+
+# Copy example contract
+CTRPATH=./bin/contract.js
+CFGPATH=${RELEASEDIR}/echocontract/cfg/hp.cfg
+CFGJSON=${RELEASEDIR}/echocontract/cfg/hp.json
+mv $CFGPATH $CFGJSON
+node -p "JSON.stringify({...require('${CFGJSON}'), binary:'/usr/bin/node', binargs:'${CTRPATH}' }, null, 2)" > $CFGPATH
+rm $CFGJSON
+mkdir -p $RELEASEDIR/echocontract/bin
+cp -r examples/echocontract/contract.js $RELEASEDIR/echocontract/bin
+cp -r examples/echocontract/package.json $RELEASEDIR/echocontract/bin
+echo "npm install echocontract"
+npm --prefix $RELEASEDIR/echocontract/bin install > /dev/null 2>&1
+
+echo "Creating tarball"
+tar -C ./release -czf ./release/$RELVERSION.tar.gz $RELVERSION
+rm -r $RELEASEDIR
+
+echo "Release tarball has been created at ./release/${RELVERSION}.tar.gz"
+
+# Switch cmake back to Debug build mode
+cmake . -DCMAKE_BUILD_TYPE=Debug
+exit 0
\ No newline at end of file
diff --git a/src/proc.cpp b/src/proc.cpp
index a8ae5ba2..a245491f 100644
--- a/src/proc.cpp
+++ b/src/proc.cpp
@@ -2,6 +2,7 @@
 #include <iostream>
 #include <stdlib.h>
 #include <vector>
+#include <experimental/filesystem>
 #include <unistd.h>
 #include <sstream>
 #include <fcntl.h>
@@ -96,7 +97,7 @@ int exec_contract(const ContractExecArgs &args)
         close_unused_fds(false);
 
         // Set the contract process working directory.
-        chdir(conf::ctx.contractDir.data());
+        std::experimental::filesystem::current_path(conf::ctx.contractDir);
 
         // Write the contract input message from HotPocket to the stdin (0) of the contract process.
         write_contract_args(args);
@@ -204,7 +205,11 @@ int write_contract_args(const ContractExecArgs &args)
     close(stdinpipe[0]);
 
     // Write the json message and close write fd.
-    write(stdinpipe[1], json.data(), json.size());
+    if (write(stdinpipe[1], json.data(), json.size()) == -1)
+    {
+        std::cerr << "Failed to write to stdin of contract process.\n";
+        return -1;
+    }
     close(stdinpipe[1]);
 
     return 0;