v2.2.8

Fix missing 3gpp attrs (#34)

* Fix imcomplete headers/columns names

When processing more than 1 file and one of the files is missing
the 3GPP attributes e.g. file 1 has vs:vsDataSomeMO and file2 has
SomeMO and vsDataSomeMO.

* Clean up

v2.2.7

Bump version to 2.2.7

v2.2.5

• Fixes bug in 2.2.4

v2.2.4

• Fix bug with collecting 3GPP attributes

v2.2.3

• Rename EutranFreqRelation.csv to EutranFreqRelation_UtranCell.csv to prevent conflict with EUtranFreqRelation.csv on windows

v2.2.2

• Fix premature termination caused by null variable

v2.2.1

• Fix bug in collecting 3GPP parameters

v2.2.0

• Specify multi-value separator. Default is semicolon

v2.1.0

• Combine vendor specific data and 3GPP standard MOs by default. Use -s flag to separate them.

v2.0.8

• Fixed null pointer exception occurring when handling attributes with children with some cases containing parent and child attributes having the same name