v1.12.0

FIXED:
* paths: Async searching works correctly now, and is consolidated to a
  single struct for searching options for async and synchronous
  searches.

paths/errs.go

@@ -0,0 +1,12 @@
+package paths
+
+import (
+	`errors`
+)
+
+var (
+	ErrNilErrChan      error = errors.New("an initialized error channel is required")
+	ErrNilMatchChan    error = errors.New("an initialized matches channel is required")
+	ErrNilMismatchChan error = errors.New("an initialized mismatches channel is required")
+	ErrNilWg           error = errors.New("a non-nil sync.WaitGroup is required")
+)