diff --git a/internal/bindata/bindata.go b/internal/bindata/bindata.go
index 97a7736..08f833e 100644
--- a/internal/bindata/bindata.go
+++ b/internal/bindata/bindata.go
@@ -2,10 +2,10 @@
 // sources:
 // data/default-config.json
 // data/migrations/1_create_msmt_results.sql
+// data/migrations/2_single_msmt_file.sql
 
 package bindata
 
-
 import (
 	"bytes"
 	"compress/gzip"
@@ -38,7 +38,6 @@ func bindataRead(data []byte, name string) ([]byte, error) {
 	return buf.Bytes(), nil
 }
 
-
 type asset struct {
 	bytes []byte
 	info  fileInfoEx
@@ -79,58 +78,37 @@ func (fi bindataFileInfo) Sys() interface{} {
 	return nil
 }
 
-var _bindataDataDefaultconfigjson = []byte(
-	"\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\x8c\x94\xc1\x6e\xdb\x30\x0c\x86\xef\x79\x0a\x41\xe7\xba\x29\xb0\x5b\x8e" +
-	"\xbb\xed\xb0\x75\xc0\x76\x2b\x0a\x41\x96\x68\x9b\x98\x4c\x7a\x12\x95\x2c\x18\xfa\xee\x83\x5c\x27\x56\xba\xac\xcb" +
-	"\xd1\xff\x4f\x53\xe4\x47\x4a\xbf\x37\x4a\x69\xa3\x77\x4a\x7f\x1f\x30\x29\x4c\xea\xc8\x39\xaa\xc7\xc7\x2f\x9f\xd4" +
-	"\xd7\xc8\x2d\x28\xc7\xd4\x61\xaf\x3a\x0c\x70\xaf\xbe\x01\xa8\x41\x64\x4a\xbb\xed\x96\x99\xf0\x1e\x79\x3b\x40\x98" +
-	"\xb6\x53\x89\x6d\x5c\x40\xd5\x71\x54\x45\xd2\x77\x73\xea\x3d\xc4\x84\x4c\x7a\xa7\x1e\x5e\x05\xa4\x8e\xe3\x08\xde" +
-	"\x38\xa6\x04\x24\x7a\xa7\x3a\x1b\x12\x2c\x6e\x32\x2d\x88\xd5\x3b\x25\x31\xbf\x6a\x36\x0b\x9b\x3c\x79\x2b\x50\xcb" +
-	"\x69\xb0\x11\xa9\xd7\x3b\x55\x7a\x50\x4a\x23\xb9\x90\x3d\x18\x9c\xea\x94\x95\x61\x13\x55\x09\x2a\xc3\x71\x26\x89" +
-	"\xc7\xeb\x66\x3f\xa5\x4b\x23\x4f\x81\xad\x37\x11\x52\x0e\x72\xf2\x36\x4a\xbd\xcc\x65\x11\x0b\x76\xe8\xac\x20\x53" +
-	"\x5a\x8b\x03\xb2\x6d\x00\x7f\x99\x69\x8e\x3d\x1a\x26\x23\x90\xc4\x38\x1e\xa7\x00\xf2\x4a\xeb\x6a\x18\xc1\x21\x9d" +
-	"\x9a\x3b\x9f\x58\xf8\x8c\x56\xc0\xcf\x59\x2e\x90\xac\xa7\xd6\x3c\x16\x75\x0e\x2f\xe9\x9e\x66\x59\x29\x7d\x80\xb6" +
-	"\x71\x4c\x04\x4e\x70\x8f\x72\xd4\x77\x27\xa7\xb3\x0e\x5a\xe6\x1f\xcd\x08\x29\x01\xf5\x10\x57\xef\x30\x58\x49\x76" +
-	"\x9a\x56\x45\x20\x40\x1f\xed\xb8\x2a\xde\xa6\x61\xfd\x22\x2f\xeb\x47\x59\xa7\x06\x69\x6f\x03\xfa\x26\xc2\xcf\x0c" +
-	"\x49\x9a\x80\x04\x6f\x42\x06\xb0\x1e\x62\xd3\x21\x04\xdf\x8c\x96\x70\xca\x61\xa6\xac\xe7\xb0\xe7\xa5\xb9\x91\x49" +
-	"\x86\x70\x34\x36\x04\x3e\x58\x72\x65\x67\xf4\x87\x87\x87\xcf\x1f\xf5\x99\xd8\x4c\x3b\x81\x14\x58\xd5\x8c\x0e\xd0" +
-	"\x26\x14\x58\x95\x8a\x95\xb3\x02\x3d\x47\x9c\xdd\xa7\xe7\xd9\x7e\x39\x6f\x4a\x12\x4b\x62\x0a\x1b\xdb\xd7\x03\x78" +
-	"\x07\xf6\xfb\x50\xaf\x61\xad\xc1\x2e\xd2\x65\x1d\x13\xc4\x72\xb5\x96\xa6\x6f\xa9\xa0\x0c\xe2\x94\xaa\x9e\x8e\x49" +
-	"\x10\xf7\x10\x0b\xba\xb2\x5d\xfa\x8a\x67\x26\x8e\xf2\x77\x40\x19\xf4\x3f\xff\xae\xcc\xcb\xdf\x2f\xda\x18\xd1\xfb" +
-	"\x00\x2d\xff\xba\xb1\x89\xff\x2f\xd0\x8d\x2b\x74\xe6\xb9\x5e\x2d\xbf\x2f\x34\xfd\xba\x23\x39\x81\xf1\x3c\x5a\x24" +
-	"\xd3\x45\xa6\xe5\xba\xd5\xb7\x2b\x01\x79\xe3\x62\x69\x35\x42\xe9\xf2\xcd\xf3\xe1\x38\x04\x70\xc2\xd1\xe4\x18\x0a" +
-	"\x81\xa5\x4c\xdd\x72\x26\x07\x67\xf9\xf4\xcc\x2e\xf2\xfd\xf2\xdc\xce\x5b\xbc\x79\xd9\xfc\x09\x00\x00\xff\xff\xa1" +
-	"\x4d\x40\xc5\xb9\x05\x00\x00")
+var _dataDefaultConfigJson = []byte(
+	"\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\x5c\x91\x41\x4f\xc3\x30\x0c\x85\xef\xfd\x15\x56\xce\xb0\xc2\xb5\xff\x80" +
+	"\x0b\x43\x82\x7b\x94\x25\xee\x6a\x29\xb3\x2b\x3b\x19\x9a\xd0\xfe\x3b\x4a\x57\x46\xe1\xfa\x3e\xdb\xef\x59\xef\xab" +
+	"\x03\x70\xde\x0d\xe0\x3e\x26\x32\x20\x83\x8b\x54\x85\xfd\xfe\xf5\x05\xde\x54\x0e\x08\x51\x78\xa4\x23\x8c\x94\x71" +
+	"\x07\xef\x88\x30\x95\x32\xdb\xd0\xf7\x22\x4c\x3b\x92\x7e\xc2\x3c\xf7\x73\x9b\x7d\x8c\x99\x60\x14\x85\x26\xb9\x87" +
+	"\xe5\xf4\x19\xd5\x48\xd8\x0d\xf0\x7c\x13\x88\x47\xd1\x13\x26\x1f\x85\x0d\xb9\xb8\x01\xc6\x90\x0d\x17\x6a\x53\x50" +
+	"\xe2\xa3\x1b\xa0\x05\x03\x70\xc4\x31\xd7\x84\x9e\xe6\xed\xdc\x06\x04\x6b\xb7\x8b\xd6\xff\x20\x4a\xe5\xa2\x97\xbf" +
+	"\xb0\xce\x59\x42\xf2\x8a\x56\x73\xb1\x95\x75\x00\xd7\xc5\x9d\xb1\x14\xb4\x45\x5f\xed\x3f\xf1\x60\x54\xd0\x7c\xd5" +
+	"\xec\x33\x9d\xa8\xc5\x7d\xba\x2f\x84\x74\x0e\x1c\x31\xfd\x2e\x54\x43\x9f\xe4\x14\x88\xfd\xa8\xc2\xe5\xf6\xcc\x36" +
+	"\xb8\x21\x27\x1f\x35\xd8\xe4\x15\x67\xd1\x7b\x8c\x95\x47\xc9\x19\x63\x11\x6d\x9e\xad\x18\xb7\x82\x83\x54\x8e\x78" +
+	"\x97\x7f\x6a\x58\xe5\xdd\x5a\x87\x6b\xe1\xba\x6b\xf7\x1d\x00\x00\xff\xff\x8e\xc0\xab\xe6\xd9\x01\x00\x00")
 
-func bindataDataDefaultconfigjsonBytes() ([]byte, error) {
+func dataDefaultConfigJsonBytes() ([]byte, error) {
 	return bindataRead(
-		_bindataDataDefaultconfigjson,
+		_dataDefaultConfigJson,
 		"data/default-config.json",
 	)
 }
 
-
-
-func bindataDataDefaultconfigjson() (*asset, error) {
-	bytes, err := bindataDataDefaultconfigjsonBytes()
+func dataDefaultConfigJson() (*asset, error) {
+	bytes, err := dataDefaultConfigJsonBytes()
 	if err != nil {
 		return nil, err
 	}
 
-	info := bindataFileInfo{
-		name: "data/default-config.json",
-		size: 0,
-		md5checksum: "",
-		mode: os.FileMode(0),
-		modTime: time.Unix(0, 0),
-	}
-
+	info := bindataFileInfo{name: "data/default-config.json", size: 0, md5checksum: "", mode: os.FileMode(0), modTime: time.Unix(0, 0)}
 	a := &asset{bytes: bytes, info: info}
-
 	return a, nil
 }
 
-var _bindataDataMigrations1createmsmtresultssql = []byte(
+var _dataMigrations1_create_msmt_resultsSql = []byte(
 	"\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\xa4\x59\x6d\x73\xdb\x36\x12\xfe\xee\x5f\xb1\xe3\xe9\xf4\xec\x39\x49\x76" +
 	"\x72\x69\xe6\xce\xd7\x4e\xc7\xb5\x99\x9c\xda\x58\xca\xc8\xf2\x35\x99\x9b\x1b\x11\x22\x97\x12\x2a\x10\x60\xf0\x22" +
 	"\x46\xf7\xeb\x6f\x16\x00\x29\x52\x56\x1c\x67\xda\x0f\xa9\x48\x02\x8b\x7d\x7d\xf6\x59\x78\x38\x84\xbf\x96\x7c\xa5" +
@@ -228,40 +206,73 @@ var _bindataDataMigrations1createmsmtresultssql = []byte(
 	"\x7f\x10\x08\x32\x73\x9a\xdc\x6b\x14\x22\xf8\xa6\x6f\x4c\x6c\x24\xe7\x3d\x1b\xfc\xdf\xdb\xf6\xdf\x68\x00\xfe\xe2" +
 	"\x5f\xf5\xfe\x1f\x00\x00\xff\xff\x38\xc6\x64\x22\x78\x1c\x00\x00")
 
-func bindataDataMigrations1createmsmtresultssqlBytes() ([]byte, error) {
+func dataMigrations1_create_msmt_resultsSqlBytes() ([]byte, error) {
 	return bindataRead(
-		_bindataDataMigrations1createmsmtresultssql,
+		_dataMigrations1_create_msmt_resultsSql,
 		"data/migrations/1_create_msmt_results.sql",
 	)
 }
 
-
-
-func bindataDataMigrations1createmsmtresultssql() (*asset, error) {
-	bytes, err := bindataDataMigrations1createmsmtresultssqlBytes()
+func dataMigrations1_create_msmt_resultsSql() (*asset, error) {
+	bytes, err := dataMigrations1_create_msmt_resultsSqlBytes()
 	if err != nil {
 		return nil, err
 	}
 
-	info := bindataFileInfo{
-		name: "data/migrations/1_create_msmt_results.sql",
-		size: 0,
-		md5checksum: "",
-		mode: os.FileMode(0),
-		modTime: time.Unix(0, 0),
-	}
-
+	info := bindataFileInfo{name: "data/migrations/1_create_msmt_results.sql", size: 0, md5checksum: "", mode: os.FileMode(0), modTime: time.Unix(0, 0)}
 	a := &asset{bytes: bytes, info: info}
-
 	return a, nil
 }
 
+var _dataMigrations2_single_msmt_fileSql = []byte(
+	"\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\xec\x56\x4d\x6f\xdb\x38\x10\xbd\xf3\x57\xcc\xd1\xc6\x2a\x8b\xdd\xb6\xc9" +
+	"\xc5\xe8\x81\x91\x99\x54\xad\x4c\xa5\x14\x53\x34\x27\x89\xb5\x68\x47\x88\x4c\x0a\x24\xd5\x20\xff\xbe\x90\x3f\x6a" +
+	"\xda\x96\x8d\x3a\x28\x8a\x1e\x74\x9d\x8f\xc7\x21\xe7\x0d\xe7\x5d\x5c\xc0\x3f\x8b\x72\x6e\x84\x93\x30\xd6\xcf\x0a" +
+	"\xf9\x86\xd4\x09\x27\x17\x52\xb9\x6b\x39\x2f\x15\x42\x77\x0c\xdf\x4e\x30\xcc\xb4\x91\xe5\x5c\x65\x4f\xf2\xc5\xbe" +
+	"\xd7\xb3\xd9\x08\xe1\x98\x13\x06\x1c\x5f\xc7\x04\xf2\x85\x14\xb6\x31\xcb\x3c\x9b\x03\x23\x14\x4f\x08\xf0\x04\xf2" +
+	"\xcc\xf7\x64\x4a\x3e\xe7\x23\x84\x42\x46\x30\x27\xdd\xb9\x03\x04\x00\x3b\xc6\xac\x2c\x72\x88\x28\x27\xb7\x84\xc1" +
+	"\x1d\x8b\x26\x98\x3d\xc0\x27\xf2\x00\xf8\x9e\x27\x11\x0d\x19\x99\x10\xca\x83\x55\x9e\x93\xd6\x65\x4a\x2c\x64\x0e" +
+	"\x5f\x30\x0b\x3f\x60\x36\xb8\x7a\x37\x04\x9a\x70\xa0\xf7\x71\x1c\x1c\xa2\x5b\x27\x8c\xcb\x5c\xd9\xa6\x8c\x31\x27" +
+	"\x3c\x9a\x90\x53\xf1\xa6\x51\xab\x60\x46\x70\xec\x05\x76\xd4\x6d\xb3\x42\x2b\x99\x03\x8f\xe8\x43\x44\xf9\xe0\xff" +
+	"\x93\x85\x94\x36\x6b\xea\x4a\x8b\x42\x16\x67\xa4\xcc\x44\x59\xfd\x7a\x42\x1b\xdd\x18\x99\x2d\xec\x7c\xfb\x40\x6f" +
+	"\x2e\x2f\x87\xa7\xea\x39\xf3\x0c\x2f\xe9\x8c\xa3\x8c\x34\x8d\x3a\x75\x84\x91\xb5\x36\x2b\x32\x74\xa0\x35\xa6\xf2" +
+	"\x79\xb2\xb6\x4e\x75\x55\xc9\xa9\xd3\x26\xeb\xe0\x53\x4b\x8c\x75\x5c\x69\x33\xa1\xf4\x42\x54\x2f\x7e\x05\x3e\xa5" +
+	"\x5a\xde\xe7\xf0\x31\x4d\xe8\x61\x5d\xb6\xa9\x76\x49\xda\x5d\xf9\xac\xac\x64\x56\x0b\xf7\xe8\x5d\xe0\xea\xbf\xfd" +
+	"\x7b\x86\x09\x4d\x39\xc3\x11\xe5\x90\xcf\x9e\xb2\x2d\xfa\xd2\x0b\x70\x93\x30\x12\xdd\xd2\xe5\x00\x0c\xbc\xc3\x87" +
+	"\x6b\x3f\x23\x37\x84\x11\x1a\x92\x74\x53\x9a\xcd\xbb\xe2\x12\x0a\x63\x12\x13\x4e\x20\xc4\x69\x88\xc7\x64\x75\xfc" +
+	"\x2e\xfc\xfa\x55\x87\x3b\xa8\x8d\xa9\x5a\xc8\x8d\x0f\x0d\x47\x08\x45\x34\x25\x8c\xb7\x0f\x90\x80\x3f\xcf\x30\x40" +
+	"\xfb\xa3\x1c\x20\x6f\x48\x03\x74\x6c\x16\xf7\x3c\x9b\xa9\xdb\x33\x6f\x46\xec\xd0\xfc\x73\x94\x0e\x5d\x6b\x3a\xef" +
+	"\x39\x7c\xbe\x1e\x83\x3b\x92\xda\xc1\xf8\x43\x84\x15\xc1\x03\xe4\x11\x39\x40\x9b\x57\x0c\xd0\x71\xae\x06\xc8\xe7" +
+	"\xe7\xe6\xf9\x96\x84\x5c\xa2\x6d\x3a\xbb\x85\xde\x32\x0d\xb5\xed\x4e\x49\x4c\x42\x7e\xf0\xa7\xf6\x8d\xf8\x93\x8d" +
+	"\x00\xb8\x61\xc9\x04\x0e\xf6\xe1\x08\xa1\x31\x4b\xee\xd6\xcb\xb0\xcb\xdd\xb9\x81\xd5\x08\x75\xaf\x6d\xa2\x8a\x5d" +
+	"\xcf\x7d\xfd\xba\xfd\xde\x66\xa5\x9f\xe3\xd2\xc9\xb7\x50\x68\x69\x41\x69\x07\xb6\xa9\xdb\x8b\x81\x28\x8a\x52\xcd" +
+	"\x61\xaa\xab\x66\xa1\x2c\x68\x03\x85\xd1\x75\xbd\xb2\x29\xeb\x8c\x28\x95\xb3\x01\x58\x0d\xcf\x12\x94\x94\x45\x0b" +
+	"\xe7\x34\x18\x79\x31\x35\xb2\x2d\xc4\x3d\x4a\x70\xe2\x5b\x25\x41\xa8\x02\xa6\xba\x7e\x59\x9a\x0a\xe1\x04\xe8\xef" +
+	"\xd2\xfc\x8b\x5e\x25\x31\x74\x55\xf4\x12\xa3\x97\x18\xbd\xc4\xf0\x24\x46\x57\x97\xb6\x91\x9c\x7c\xe5\xbd\xf6\xe8" +
+	"\x57\xde\xef\x5e\x79\xfb\x77\xec\x45\xc9\xdf\xd7\xa1\xf6\x0b\xe9\x96\x26\xba\x2a\x4e\x49\x93\x95\xfb\x7c\x69\xf2" +
+	"\x23\x00\x00\xff\xff\xca\xeb\xb6\x24\x7c\x10\x00\x00")
+
+func dataMigrations2_single_msmt_fileSqlBytes() ([]byte, error) {
+	return bindataRead(
+		_dataMigrations2_single_msmt_fileSql,
+		"data/migrations/2_single_msmt_file.sql",
+	)
+}
+
+func dataMigrations2_single_msmt_fileSql() (*asset, error) {
+	bytes, err := dataMigrations2_single_msmt_fileSqlBytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindataFileInfo{name: "data/migrations/2_single_msmt_file.sql", size: 0, md5checksum: "", mode: os.FileMode(0), modTime: time.Unix(0, 0)}
+	a := &asset{bytes: bytes, info: info}
+	return a, nil
+}
 
-//
 // Asset loads and returns the asset for the given name.
 // It returns an error if the asset could not be found or
 // could not be loaded.
-//
 func Asset(name string) ([]byte, error) {
 	cannonicalName := strings.Replace(name, "\\", "/", -1)
 	if f, ok := _bindata[cannonicalName]; ok {
@@ -274,11 +285,9 @@ func Asset(name string) ([]byte, error) {
 	return nil, &os.PathError{Op: "open", Path: name, Err: os.ErrNotExist}
 }
 
-//
 // MustAsset is like Asset but panics when Asset would return an error.
 // It simplifies safe initialization of global variables.
 // nolint: deadcode
-//
 func MustAsset(name string) []byte {
 	a, err := Asset(name)
 	if err != nil {
@@ -288,10 +297,9 @@ func MustAsset(name string) []byte {
 	return a
 }
 
-//
 // AssetInfo loads and returns the asset info for the given name.
-// It returns an error if the asset could not be found or could not be loaded.
-//
+// It returns an error if the asset could not be found or
+// could not be loaded.
 func AssetInfo(name string) (os.FileInfo, error) {
 	cannonicalName := strings.Replace(name, "\\", "/", -1)
 	if f, ok := _bindata[cannonicalName]; ok {
@@ -304,10 +312,8 @@ func AssetInfo(name string) (os.FileInfo, error) {
 	return nil, &os.PathError{Op: "open", Path: name, Err: os.ErrNotExist}
 }
 
-//
 // AssetNames returns the names of the assets.
 // nolint: deadcode
-//
 func AssetNames() []string {
 	names := make([]string, 0, len(_bindata))
 	for name := range _bindata {
@@ -316,15 +322,13 @@ func AssetNames() []string {
 	return names
 }
 
-//
 // _bindata is a table, holding each asset generator, mapped to its name.
-//
 var _bindata = map[string]func() (*asset, error){
-	"data/default-config.json":                  bindataDataDefaultconfigjson,
-	"data/migrations/1_create_msmt_results.sql": bindataDataMigrations1createmsmtresultssql,
+	"data/default-config.json":                  dataDefaultConfigJson,
+	"data/migrations/1_create_msmt_results.sql": dataMigrations1_create_msmt_resultsSql,
+	"data/migrations/2_single_msmt_file.sql":    dataMigrations2_single_msmt_fileSql,
 }
 
-//
 // AssetDir returns the file names below a certain
 // directory embedded in the file by go-bindata.
 // For example if you run go-bindata on data/... and data contains the
@@ -338,7 +342,6 @@ var _bindata = map[string]func() (*asset, error){
 // AssetDir("data/img") would return []string{"a.png", "b.png"}
 // AssetDir("foo.txt") and AssetDir("notexist") would return an error
 // AssetDir("") will return []string{"data"}.
-//
 func AssetDir(name string) ([]string, error) {
 	node := _bintree
 	if len(name) != 0 {
@@ -347,20 +350,12 @@ func AssetDir(name string) ([]string, error) {
 		for _, p := range pathList {
 			node = node.Children[p]
 			if node == nil {
-				return nil, &os.PathError{
-					Op: "open",
-					Path: name,
-					Err: os.ErrNotExist,
-				}
+				return nil, &os.PathError{Op: "open", Path: name, Err: os.ErrNotExist}
 			}
 		}
 	}
 	if node.Func != nil {
-		return nil, &os.PathError{
-			Op: "open",
-			Path: name,
-			Err: os.ErrNotExist,
-		}
+		return nil, &os.PathError{Op: "open", Path: name, Err: os.ErrNotExist}
 	}
 	rv := make([]string, 0, len(node.Children))
 	for childName := range node.Children {
@@ -369,17 +364,17 @@ func AssetDir(name string) ([]string, error) {
 	return rv, nil
 }
 
-
 type bintree struct {
 	Func     func() (*asset, error)
 	Children map[string]*bintree
 }
 
-var _bintree = &bintree{Func: nil, Children: map[string]*bintree{
-	"data": {Func: nil, Children: map[string]*bintree{
-		"default-config.json": {Func: bindataDataDefaultconfigjson, Children: map[string]*bintree{}},
-		"migrations": {Func: nil, Children: map[string]*bintree{
-			"1_create_msmt_results.sql": {Func: bindataDataMigrations1createmsmtresultssql, Children: map[string]*bintree{}},
+var _bintree = &bintree{nil, map[string]*bintree{
+	"data": {nil, map[string]*bintree{
+		"default-config.json": {dataDefaultConfigJson, map[string]*bintree{}},
+		"migrations": {nil, map[string]*bintree{
+			"1_create_msmt_results.sql": {dataMigrations1_create_msmt_resultsSql, map[string]*bintree{}},
+			"2_single_msmt_file.sql": {dataMigrations2_single_msmt_fileSql, map[string]*bintree{}},
 		}},
 	}},
 }}