Helsing 1.1.2

-Initial cmake support
-Fixed #39

Helsing 1.1.1

-Added commandline parameters
-Moved sorting out of primary loop, and switched to quicksort. This results in better performance and less memory usage.
-Initial BMI2 implementation
-Base N support
-Multiple bugfixes

Helsing 1.0-beta2

-Makefile should now be more robust
-OpenSSL is now optional
-Minor code fixes

Helsing 1.0-beta

code style update

-all struct init functions follow a consistent style
-renamed struct init functions to new, because they allocate and initialize the struct
-conditional inclusion of assert on binary tree