Lazyeval

[dipterix]

1. Allow file-arrays to lazy-evaluate.

Example:

x <- filearray::as_filearray(1:27, dimension = c(3,3,3))
# No evaluate
y <- x + 1
print(y)

# evaluate
print(y[])
y[x > 10]

2. Using tinythreads instead of OpenMP to ensure multi-thread on OSX.