Clarify README, destroy by default and fix temp dir bug #1
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I've changed three things. The readme, default behaviour and fixed a bug in temp dir location generation.
README.md
I've added all defaults to the parameters listed in the readme.
Default behaviour
Detroy is now enabled by default. This is the safest way to use ssh-keygen because it leaves no evidence by default. It also generates the lowest waste, which keeps the temp dir clean by default.
Temp dir location generation
When location is not provided, ssh-keygen generates a temp path. This generation didn't split the temp directory and key directory name with a slash. I changed the code to use
path.join
.