Squashed commit of the following:

commit 293853898077185313e4b68c4c245f18f13059ec
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Thu Sep 12 16:38:05 2013 +0200

    fixed test issues

commit c73a326b80722e69d4e7600e144802d2e0958633
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 22:13:29 2013 +0100

    new version

commit c79dec8174cef09401abdbcd0b3e647487be0d1c
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 22:10:25 2013 +0100

    beautification

commit 6b85338218cd4909f39fe9ecee00b7de5c4ae337
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 22:06:08 2013 +0100

    increased test coverage

commit 94edf742c2078ea9200b2d70fc977a4096fb96b0
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:56:47 2013 +0100

    import cleanup

commit 30de4bc509ecbe8eb750e9c82b7269e505c05b7c
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:55:31 2013 +0100

    copyright update

commit c13ee4b5eae7629147fd0c9fd63b799e1e891f0a
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:49:12 2013 +0100

    working on integration: MeanSignedDifferenceError

commit 564916a0550bee0a55861d5254ffc7eea80b2206
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:31:23 2013 +0100

    added simple version of a weighted MAPE

commit 0a4211df5c53fb70230f7b2136f3d0770d6c5ec3
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:24:41 2013 +0100

    cleaned up import

commit 733ab75625958f0d8895082e88ea60aecb6f858b
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:24:21 2013 +0100

    todo

commit e26f812ec7e134a08153255ad48335f4eaa26a69
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:22:39 2013 +0100

    branch is running again… now the reintegration should start

commit b72f9c15174f117fdb302523ee82b3cf0eee3976
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:09:27 2013 +0100

    ...

commit 62cf9e9cfe4a4b389cd575f8d0c5b8c5bb502163
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:08:47 2013 +0100

    ...

commit 74b06f8de52b5a342a9f3942102c9b397d107e8a
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:08:08 2013 +0100

    ...

commit 0f4506b9c9e0d4d2f4380a8e63d2381e0f298303
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:07:52 2013 +0100

    ...

commit 140c5bb9d955174068159dfacc5efd1269729a66
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 21:04:13 2013 +0100

    comment

commit d707075741c792dd5ecfce7f4581a73197e26bb9
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 20:53:52 2013 +0100

    commented unintegrated stuff

commit ea317d811c1578c7ff31661adf955eeadfc85a53
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 20:52:58 2013 +0100

    …..

commit ae481f3d8b9591731b76aaf145a02b96d8d66b58
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 20:51:46 2013 +0100

    …

commit 00580e0f8384b6b72a2533f4c1bbf07bd7df9e75
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 20:50:20 2013 +0100

    fixing….

commit 9730f844d44248e0d9c2241ddf458d080b63c698
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 20:48:50 2013 +0100

    applied stash

commit f8b9149e3d40d2c25f2550a9059a8aeab87facb3
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Mar 15 20:45:23 2013 +0100

    reintegrating external branch

commit eb589f831eae7f85ab08271ea3af629f0b9e5168
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Wed Jan 23 18:35:19 2013 +0100

    commented test

commit 018dc85c38b8ce658fc89de1e9c64e5631a2a163
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Wed Jan 23 18:32:15 2013 +0100

    - added missing tests

commit d88dda84a7d3f757e2bfbda3c49706f8c6fcde20
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Wed Jan 23 18:31:48 2013 +0100

    - added features from external branch

commit dbf104c1dc45a749dcd01a296f76de066aad6467
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Wed Jan 23 18:24:11 2013 +0100

    cleanup

commit a21691b3daeda949298158c359761bd0ffc3a36e
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Jan 11 14:10:16 2013 -0800

    minor change

commit 54b41487d5342445ce5ced9a56bbf30fb92525c2
Author: Christian Schwarz <christianschw4rz@gmail.com>
Date:   Fri Jan 11 14:10:00 2013 -0800

    minor change