Fix ToLowerCamel with leading space

Closes #25

camel.go

@@ -31,6 +31,7 @@ import (
 
 // Converts a string to CamelCase
 func toCamelInitCase(s string, initCase bool) string {
+	s = strings.TrimSpace(s)
 	if s == "" {
 		return s
 	}

camel_test.go

@@ -68,6 +68,8 @@ func toLowerCamel(tb testing.TB) {
 		{"AnyKind of_string", "anyKindOfString"},
 		{"AnyKind.of-string", "anyKindOfString"},
 		{"ID", "id"},
+		{"some string", "someString"},
+		{" some string", "someString"},
 	}
 	for _, i := range cases {
 		in := i[0]

snake_test.go

@@ -54,6 +54,8 @@ func toSnake(tb testing.TB) {
 		{"A1 A2 A3", "a_1_a_2_a_3"},
 		{"AB1AB2AB3", "ab_1_ab_2_ab_3"},
 		{"AB1 AB2 AB3", "ab_1_ab_2_ab_3"},
+		{"some string", "some_string"},
+		{" some string", "some_string"},
 	}
 	for _, i := range cases {
 		in := i[0]