Update deps

vendor/github.com/ettle/strcase/unicode.go

@@ -0,0 +1,48 @@
+package strcase
+
+import "unicode"
+
+// Unicode functions, optimized for the common case of ascii
+// No performance lost by wrapping since these functions get inlined by the compiler
+
+func isUpper(r rune) bool {
+	return unicode.IsUpper(r)
+}
+
+func isLower(r rune) bool {
+	return unicode.IsLower(r)
+}
+
+func isNumber(r rune) bool {
+	if r >= '0' && r <= '9' {
+		return true
+	}
+	return unicode.IsNumber(r)
+}
+
+func isSpace(r rune) bool {
+	if r == ' ' || r == '\t' || r == '\n' || r == '\r' {
+		return true
+	} else if r < 128 {
+		return false
+	}
+	return unicode.IsSpace(r)
+}
+
+func toUpper(r rune) rune {
+	if r >= 'a' && r <= 'z' {
+		return r - 32
+	} else if r < 128 {
+		return r
+	}
+	return unicode.ToUpper(r)
+}
+
+func toLower(r rune) rune {
+	if r >= 'A' && r <= 'Z' {
+		return r + 32
+	} else if r < 128 {
+		return r
+	}
+	return unicode.ToLower(r)
+}