Implemented "method(const none_t t)" pattern for all instances in "DataArray"
Implemented "method(const none_t t)" pattern for all instances in "DataTag", removed "remove*" methods
Corrected use of "method(const none_t t)" in "DataArray" to only exist for really optional types
Implemented "method(const none_t t)" pattern for all instances in "Dimensions"
Corrected errors in 'Dimensions' and 'DataTag'
Implemented "method(const none_t t)" pattern for all instances in "Properties"
Implemented "method(const none_t t)" pattern for all instances in "Sections"
Implemented "method(const none_t t)" pattern for all instances in "SimpleTag"
Fixed use of '\t' in 374 instances in 20 files in the whole project.
Merge pull request #111 from balint42/master

Full implementation of "method(const size_t t)" pattern

OK