Mention python 2.7 in readme and doc index
Commented code for optional speedup - testing
start moving to absolute imports.
Continue moving documentation to absolute imports
More import transitions
Work on reforming the imports in laspy base
Continue import reforms in file.py
Fix imports on glviewer as much as feasible
Update header imports
Apply import changes to util.py
Update imports for command line tools
Add mock numpy import for the readthedocs page
move mock import code to the top of conf.py to see if that will make readthedocs build process happy
Add a note to the docs until I can figure out what the problem with readthedocs is.
.las files should definitely start with LASF
Fix stupid typo
Check file signature
some code to determine if a point format is compressed