v0.3.3

Full Changelog: v0.3.2...v0.3.3

This is a backporting release!

Merged pull requests:

• Redefine Cell using CrystalCoordinates & @computed (#16) (@singularitti)
• Compute number of atoms in Cell constructor (#17) (@singularitti)
• Deprecate AbstractLattice subtyping from AbstractMatrix (#18) (@singularitti)
• Implement inv & Inverted in src/transform.jl for coordinate transformation between reduced & Cartesian (#19) (@singularitti)
• Use StaticVectors.Values to replace StaticArrays.SVector in Cell (#20) (@singularitti)
• Remove StaticVectors.Values with Vector in Cell, make Cell mutable (#21) (@singularitti)
• Fix similar_type interface for ReducedCoordinates (#22) (@singularitti)
• Extend Base.convert, uconvert, ustrip for ReciprocalLattice & Lattice in ext/UnitfulExt.jl (#23) (@singularitti)
• Implement UnitfulLinearAlgebraExt module for linear solving (#24) (@singularitti)
• Implement AtomsBaseExt (#25) (@singularitti)
• Use NoUnits in UnitfulLinearAlgebraExt, directly collect is wrong (#26) (@singularitti)
• Fix broadcasting for Lattices (#27) (@singularitti)
• Fix broadcasting for ReciprocalLattices (#28) (@singularitti)