Updating version number

@cyrillustan I believe this was the issue I was having with poetry. We have to increment the version number in pyproject.toml, as this is the number it reports after installing.

Author: aarmey

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tensorpack"
-version = "0.0.2"
+version = "0.0.6"
 description = "A collection of tensor methods from the Meyer lab."
 authors = ["Your Name <[email protected]>"]
 license = "MIT"