Merge branch 'beta' into dev

* beta:
  Merge dev to beta (#506)
  Fixes #362 - broken entry command (#363)
  Fix "dt" offsets which are sometimes floating-point (#355)
  Fix tag_release (#348)
  Fixes issue when we try to display context while selected thread is running #299 (#331)
  Workaround for gdb remote target search bug described in #321 (#322)
  Fix malloc chunk names (#318)
  Fixes `u` command `module object is not callable` (#310)

pwndbg/commands/start.py

@@ -9,6 +9,8 @@ from __future__ import division
 from __future__ import print_function
 from __future__ import unicode_literals
 
+import shlex
+
 import gdb
 
 import pwndbg.commands