Clean up model format version

Commit 09c60db8 should have incrememnted the model format version but
didn't. Also added "since version x.x" in the model format docs.

docs/model-format.man

@@ -1,4 +1,4 @@
-.TH FC2D_MODEL 5 "Facecam2D Model Format 0.3 Manual"
+.TH FC2D_MODEL 5 "Facecam2D Model Format 0.4 Manual"
 .
 .SH NAME
 fc2d_model \- Facecam2D model file format
@@ -133,24 +133,52 @@ If negative, the part will move in the opposite direction.
 .
 .TP
 rot_factor, scale_factor
+.ft B
+(Since version 0.2)
+.ft
 Float: How much the part will rotate/scale.
 Default is 1.0.
 Higher values result in more exaggerated rotation or scaling.
 .
 .TP
+offset_factor
+.ft B
+(Since version 0.4)
+.ft
+float: How much the part will be moved by the offset bind.
+See
+.B offset_bind.
+.
+.TP
 origin
+.ft B
+(Since version 0.3)
+.ft
 Float Array: Origin (pivot point) of the model defined in
 normalized coordinates.
 Default is [0.0, 0.0].
 .
 .TP
 pos_offset, scale_offset
+.ft B
+(Since version 0.3)
+.ft
 Float Array: Positional offset or scale of a part.
 Default is [0.0, 0.0] for
 .B pos_offset
 and [1.0, 1.0] for
 .B scale_offset.
 .
+.TP
+offset_bind
+.ft B
+(Since version 0.4)
+.ft
+String: Offsets are vectors instead of actual points on the image.
+You can bind to an offset with this property, which will
+offset the part's position according to the vector.
+Possible values: offset-eyes
+.
 .SS textures
 .TP
 file

models/default/model.toml

@@ -1,6 +1,6 @@
 [format]
 version_major = 0
-version_minor = 3
+version_minor = 4
 
 [model_info]
 name = "Default-chan"

models/test/model.toml

@@ -1,6 +1,6 @@
 [format]
 version_major = 0
-version_minor = 1
+version_minor = 4
 
 [model_info]
 name = "Test Model"

src/model.cpp

@@ -12,7 +12,7 @@
 #define BUFFER_SIZE_TEXTURE	16777220	// 16 MiB
 
 #define SUPPORTED_MODEL_MAJOR 0
-#define SUPPORTED_MODEL_MINOR 3
+#define SUPPORTED_MODEL_MINOR 4
 
 void textureFromArchive(zip_t* archive, const char* path, ModelPart* part, size_t slot, std::string triggerName) {
 	zip_file_t* textureFile = zip_fopen(archive, path, 0);