dependencies fixup

resolves #198

v2.19.2

• minor fixes
• xades compatible with EC keys
• initial documentation
• TSP verification
• updated dependencies

v2.19.1

minimizing package dependencies

ltv signature

v2.19.0

next version

custom signature text

v2.18.5

v2.18.5

oscrypto dependency removed

v2.18.4

dont use oscrypto

Incompatibility with PAdES Signature Validation

v2.18.0

passing validators tests

creating certificates with dates after 2040-01-04

closes #173

Signature not intact after signing with Google Cloud KMS HSM

closes #161

signature box working again

v2.17.1

version 2.17.1