Restructuring of the source code and tests

• Dropped temporarily support for different platforms. This will added soon again
• Separated tests to have for each datatype a test with all required functions
• Added some functions to deal with the ini file itself

Updated externals and readmes

V0.7.1

- Updated the externals to their latest version

Stable version

V0.7

- Updated README.md

Minor improvements

Make parameter const, improved output format and updated documentation.

Minor improvements

V0.6.1

Updated documentation

Changed licence to GLGPL

V0.6

Changed license to GLGPL

Added delete methods

Merge pull request #11 from ThirtySomething/development

New features

Integration of Travis CI

Merge pull request #7 from ThirtySomething/development

Added travis.ci

Introduced save of INI file

INI file can now be saved.

API changes

• Uniform API naming
• Introduce setting of values to INI storage