v0.1.0

ElementarySymmetricFunctions v0.1.0

Merged pull requests:

• CompatHelper: add new compat entry for "SpecialFunctions" at version "0.10" (#1) (@github-actions[bot])
• CompatHelper: add new compat entry for "DSP" at version "0.6" (#2) (@github-actions[bot])
• Merge Poisson Binomial code (#3) (@bdeonovic)