gitignore: some update

Signed-off-by: Jean Privat <jean@pryen.org>
lib/bufferized_ropes: Added module bufferized_ropes to lib.

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
lib/standard/ropes: Added BufferLeaf to constructors.

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
lib/bufferized_ropes: Added lazy operations for substring and to_s on FlatBuffer.

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
lib/bufferized_ropes: Added methods to handle creation of a new node in a Rope.

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
lib/bufferized_ropes: Adapted substring and insert_at for bufferized ropes.

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
lib/bufferized_ropes: Added tests for bufferized ropes.

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
lib/bufferized_ropes: Added default size of a buffer for rope leaves.

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
lib/bufferized_ropes: Redef to_leaf in concat to work with BufferLeaf

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
lib/standard/ropes: Adapted substring iterators to new API.

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
tool_context: bashcompletion use the basename of sys.program_name

as program_name can be a complex path.

Signed-off-by: Jean Privat <jean@pryen.org>
tests: fix a typing error in some tests

Signed-off-by: Jean Privat <jean@pryen.org>
typing: generalize warning on useless type tests.

Signed-off-by: Jean Privat <jean@pryen.org>
model: MParameterType.resolve_for handle the case of primitive bounds

~~~
class G[E: Int]
   # Since Int cannot have sublclasses, E == Int
end
~~~

Signed-off-by: Jean Privat <jean@pryen.org>
modelize_classes: warn on parameter types bounded on final classes

Signed-off-by: Jean Privat <jean@pryen.org>
tests: add base_gen_final_bound.nit

Signed-off-by: Jean Privat <jean@pryen.org>
tests: update existing savs (new warning or updates)

Signed-off-by: Jean Privat <jean@pryen.org>
model: add `MType::as_notnullable` to remove the `nullable` modifier

Signed-off-by: Jean Privat <jean@pryen.org>
src: use `as_notnullable` in code

Basically replace

~~~
if m isa MNullableType then m = m.mtype
~~~

by

~~~
m = m.as_notnullable
~~~

Signed-off-by: Jean Privat <jean@pryen.org>
Merge: Bufferized ropes

Added module to lib for the support of an experimental way of handling ropes using Buffers as leaves.

Will require the merge of PRs #516 and #518 for tests to comply.

Pull-Request: #525
Reviewed-by: Alexandre Terrasa <alexandre@moz-code.org>
Reviewed-by: Jean Privat <jean@pryen.org>