Drop support for Go 1.6 and lower (go-sql-driver#696)

* Drop support for Go 1.6 and lower * Remove cloneTLSConfig for legacy Go versions
Eskas · Nov 12, 2017 · 9492218 · 9492218
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diff --git a/.travis.yml b/.travis.yml
@@ -1,8 +1,6 @@
 sudo: false
 language: go
 go:
- - 1.5
- - 1.6
  - 1.7
  - 1.8
  - 1.9

diff --git a/README.md b/README.md
@@ -40,7 +40,7 @@ A MySQL-Driver for Go's [database/sql](https://golang.org/pkg/database/sql/) pac
  * Optional placeholder interpolation
 
 ## Requirements
- * Go 1.5 or higher
+ * Go 1.7 or higher. We aim to support the 3 latest versions of Go.
  * MySQL (4.1+), MariaDB, Percona Server, Google CloudSQL or Sphinx (2.2.3+)
 
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diff --git a/utils_legacy.go b/utils_legacy.go