* gr_ofdm_insert_preamble
* gr_ofdm_mapper_bcv
* gr_ofdm_sampler
+* size params for the graphical sinks
+* callbacks for set average on fft, waterfall, number sinks
+* add units to params: Sps, Hz, dB...
+* add bool type to command line option store_true or store_false
##################################################
# Features
##################################################
* extract category from doxygen
+ * fix up block tree to mirror current doxygen group
+ * remove blocks in block tree covered by doxygen
* param editor, expand entry boxes in focus
* change param dialog to panel within main window
* search for blocks in category window
* configuration option for adding block paths
* orientations for ports (top, right, bottom, left)
* source defaults to right, sink defaults to left
-* grid params take a notebook argument
- * add a wx notebook block
* separation of variables and gui controls
* speedup w/ background layer and animation layer
* multiple doxygen directories (doc_dir becomes doc_path)
##################################################
# Problems
##################################################
+* msg ports dont work with virtual connections
+ * dont fix this until pmts are used?
* hier block generation
* auto generate hier library on changes
* auto clean hier library when block removed
* dont generate py files in saved flowgraph dir
* save/restore cwd
* threads dont die on exit in probe and variable sink
-* overloaded gui classes for each platform, move param input objects into overloaded
* align param titles in paramsdialog
* better error for blank string params
* weird grid params misbehaving
* params dialog needs to dynamically update for all params
* will not update for non-enum params
* needs to account for added or removed params
+ * example with grid params need update after notebook change
##################################################
# Future