Pre-release version bump
Post-release version bump
Add rpmvercmp utility to compare RPM packages versions

This utility allows proper comparison of RPM packages versions for packages
promises (for package_version_less_command / package_version_equal_command
hooks).
Include sys/types.h to rpmvercmp to bring uint32_t into scope
Fixed namespaces description

Some sentences were incomplete or unclear.
(cherry picked from commit 95627a4d711e034d6181a302abd828c69110ce93)
Extend file_changes.log with information about promise handle.
Optimize WriterWriteChar for StringWriter
Merge pull request #194 from maciejmrowiec/3.4.x

Extend file_changes.log with information about promise handle.
Merge pull request #195 from sigurdteigen/34x

Optimize WriterWriteChar for StringWriter
ext/ subdir need to be executed
De-hardcode /tmp as a temporary directory for db_test
Add JsonPrimitiveGetAsReal
Add JsonAt
Add JsonSort, make SequenceSort take user data
Make JsonObjectGet non-const
Add JsonContainerReverse, SequenceReverse
Merge pull request #196 from sigurdteigen/34x

Cherry-picked JSON enhancements
Restore hard classes list in -v output (Redmine #1267)
Compensate for misbehaving kill(2) on OS X
Update namespace character for handles