Zserio v2.0.0-pre5

This is the fifth beta version of the zserio v2.0.0 which contains new zserio type varsize.

New zserio type varsize can be used in schemas for array sizes which must fulfill cross language portability.

This pre-release contains several fixes as well.

Fixes

#207 - C++ - Unaligned cache fill
#208 - Change the last byte implementation in the bit buffer
#210 - Buggy BitStreamWriter constructor from BitBuffer
#211 - BitStreamWriter should not reset whole given buffer

New Features

#200 - Cross language portability for array size

Improvements

#204 - Cross language portability for auto arrays
#205 - Cross language portability for unions
#206 - Cross language portability for strings
#212 - Cross language portability for bit buffer