Do not alter secret on display (gopasspw#366)

Fixes gopasspw#348
Fixes gopasspw#344

Use done context to quickly end long running operations (gopasspw#358)

If find yields only one results display directly (gopasspw#265)

* Implement terminal selection

Fixes gopasspw#258

* Fix tests

* Add simple pagination

* If find yields only one results display directly

Fixes gopasspw#263

* Fix tests

Tag 1.3.0

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