First version of import from overpass api
Added force option to branch create operation
added update and export as changeset
added export and reorganized
Fixed minor typo in command
bug fixing
started with mappings
Reworked commands. replaced import and update by import (from file) and download (from url and update)
added --add modifier to import command and op
Started added mapping functionality mapping
Added json format for mapping
more mapping, and added shp export command
Changed structure of data in "way" tree. Now it only stores linestrings

Added missing dependency to pom.

Added export-pg command
Minor corrections and better user interaction

Added SL export
added unmap
unmapping
more unmapping and exmaple