better docs, new techlib as default, fix tests

docs/index.rst

@@ -8,6 +8,7 @@ API Reference
 
    circuit
    logic
+   techlib
    parsers
    simulators
    miscellaneous

docs/miscellaneous.rst

@@ -4,7 +4,3 @@ Miscellaneous
 .. automodule:: kyupy
    :members:
 
-.. automodule:: kyupy.techlib
-   :members:
-
-

docs/simulators.rst

@@ -1,6 +1,11 @@
 Simulators
 ==========
 
+KyuPy's simulators are optimized for cells with at most 4 inputs and 1 output.
+
+More complex cells must be mapped to simulation primitives first.
+
+
 Logic Simulation - :mod:`kyupy.logic_sim`
 -----------------------------------------
 

docs/techlib.rst

@@ -0,0 +1,7 @@
+Technology Libraries
+====================
+
+.. automodule:: kyupy.techlib
+   :members:
+
+