changelog update
flock test improvement
Test throttle function
Tests - more tests for GlacierRequest
more tests for is_relateive_filename
Tests - allow testsuite to be ran without LWP::Protocol::https and fix LWP version check in Build.PL
Downloads - first integration test with LWP and real server
Bump version from CPAN
Downloads - better size checking

1) can now work without knowing size (good for inventory retrieval?)
2) thrown exception if size does not match size in journal
3) propogate callback exceptions to outer world
4)change lwp version minimum requirements
minor fix