Merge pull request #6 from norzechowicz/streets

Added streets import command
Updated README.md
Merge pull request #7 from norzechowicz/readme

Updated README.md
Added update feature to territorial division import command
Added update feature to places import command
Added update feature to places dictionary import command
Merge pull request #8 from norzechowicz/update

Added update feature to territorial division import command
Update README.md
Fixed typo in README and column length
Added update feature to streets import command