v0.0.4

PseudostableRecurrences v0.0.4

Diff since v0.0.3

Merged pull requests:

• fix banded Sylvester recurrence (#14) (@putianyi889)
• Add an example of banded Sylvester recurrence (#15) (@putianyi889)
• use EltypeExtensions (#16) (@putianyi889)

Closed issues:

• BandedSylvesterRecurrence could be broken (#12)