removing pointers
TODO
...
Nullable utilities
Merge branch 'rm-pointers' into nullable-fields
First beta
Nullable fields for elevation (proof of concept)
Tests fixed
NullableTime
default values
Removed output in init
tmp
Reduce points
Test reduce all files
Better reduce test
Merge branch 'master' into nullable-fields

Conflicts:
	gpx/gpx_test.go
gofmt + reduce points tests complete
Nullable types
Simplify WIP
Simplify + tests