Added operator+() for string

Change-Id: I264903477f62d609efe47f89fbc2075665f2f4ea
Reformat source

Change-Id: I5dc0e0cd9e0d0d78c7bec43033e844b39e056b72
Fix working on list when its not a list

https://github.com/bmwcarit/acme/commit/8ac8a56ceae8799ab0a1753859ded15513715550
ISSUE 11: Fixed DynamicLib Linking Error with Makefiles on MacOSX
#6 Removing unused m_member
#3 Documentation
Merge branch 'Issue11'