bump package version and add stack.yaml

pontarius-xmpp.cabal

@@ -1,5 +1,5 @@
 Name:          pontarius-xmpp
-Version:       0.5.1
+Version:       0.5.2
 Cabal-Version: >= 1.9.2
 Build-Type:    Custom
 License:       BSD3

stack.yaml

@@ -0,0 +1,48 @@
+# This file was automatically generated by stack init
+# For more information, see: http://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# A message to be displayed to the user. Used when autogenerated config ignored some packages or added extra deps.
+user-message: ! 'Warning: Specified resolver could not satisfy all dependencies. Some
+  external packages have been added as dependencies.
+
+  You can suppress this message by removing it from stack.yaml
+
+'
+
+# Specifies the GHC version and set of packages available (e.g., lts-3.5, nightly-2015-09-21, ghc-7.10.2)
+resolver: lts-6.10
+
+# Local packages, usually specified by relative directory name
+packages:
+- examples/echoclient/
+- '.'
+# Packages to be pulled from upstream that are not in the resolver (e.g., acme-missiles-0.3)
+extra-deps:
+- ranges-0.2.4
+- stringprep-1.0.0
+- text-1.2.2.1
+- xml-picklers-0.3.6
+
+# Override default flag values for local packages and extra-deps
+flags: {}
+
+# Extra package databases containing global packages
+extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: >= 1.0.0
+
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor