Release Amalgamate version 0.1.26.
Release Amalgamate version 0.1.26.

 * Upgrade `riffle` to `2.0.0-alpha.35`. Closes #145.
 * Upgrade `splice` to `3.0.0-alpha.22`. Closes #144.
 * Upgrade `b-tree` to `2.0.0-alpha.54`. Closes #143.
 * Upgrade `destructible` to `7.0.0-alpha.12`. Closes #142.

Closes #146.

bigeasy/amalgamate,bigeasy/amalgamate