gitignore created.
Solution created and set up.
Guards added.
FinalList added.
Test project created.
FinalListAdapter test created.
Maybe added.
Readme created
Tests for the maybe type implemented.
AsNullable() extension added for value-typed maybes.
Additional Maybe tests.
Readme updated.
SingleAsMaybe() and FirstAsMaybe() extensions for IEnumerable implemented.
Conversion from IFinalList<T> to IImmutableList<T> implemented as extension (to maintain covariance).
ExistingOnly() extension for enumerables of IMaybe implemented.
IMaybe.SelectMany() implemented for completeness.
License added.
Assembly name corrected.
NodaTime dependency removed, it is not required here.
Nuspec added.