DSC2 v0.2.1

This version contains various minor improvements and bug fixes. It fixes / improves:

Major

• #24 #25 #26 via the new behavior of dsc -e
• #50
• #51, #52
• #55

Minor

• #46
• #53
• #54
• #57

We are one step closer towards finalize the interface and starting to write unit-tests.