Update version to 0.5
Update dependencies in README
Use HEAD to get the size of Google Docs
Merge branch 'master' into lazy_docs

Conflicts:
	src/drive.ml
Merge branch 'master' into lazy_docs
Restore optimized get_attr
Refactor format tests and desktop entry creation
Merge branch 'master' into lazy_docs

Conflicts:
	_oasis
	setup.ml
	src/config.ml
	src/drive.ml
Merge branch 'master' into lazy_docs

Conflicts:
	_oasis
	setup.ml
	src/config.ml
Merge branch 'master' into lazy_docs

Conflicts:
	_oasis
	setup.ml
	src/config.ml
Merge branch 'master' into lazy_docs

Conflicts:
	_oasis
	setup.ml
	src/config.ml
Modify default for docs_file_extension to true
Merge branch 'master' into max_cache_size
Update version to 0.4.9
Close issue #33

Add configurable maximum cache size
Modify default cache size to 512MB
Add dependency constraint (gapi-ocaml >= 0.2.1)
Quit if there is a sqlite error closing the db
Replace '+' with '-' in request_id

Replace '+' with '-' in request_id to avoid URL encoding issues
Merge branch 'max_cache_size'

Conflicts:
	_oasis
	setup.ml
	src/config.ml