v0.2.11

TimeSpans v0.2.11

Diff since v0.2.10

Closed issues:

• Unexpected results during invert_spans if a timespan is straddling in and out of the parent_span (#52)

Merged pull requests:

• use 64-bit precision for nanoseconds_per_sample (#50) (@jrevels)
• improve consistency of time <-> index conversion (#51) (@jrevels)
• Allow spans that cross the parent's boundary in invert_spans (#53) (@ararslan)
• Backport invert_spans fix to release-0.2 (#54) (@ararslan)